Company lists · Data refreshed November 2026
Top 25 Impurity and standard suppliers worldwide
RevenueBase identified 1,145 company matches for impurity and standard suppliers worldwide as of November 2026 and tracks 16,503 professional contacts across them, including 3,697 with verified work emails. India is the largest market and Hyderabad the largest hub.
This list covers company matches for impurity and standard suppliers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for impurity and standard suppliers follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest impurity and standard suppliers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 398 contacts → | ||||
Exact match “Biosynth is a global life sciences partner supporting pharmaceutical, biotechnology, diagnostic, and research organizations in advancing discovery, development, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 397 contacts → | ||||
Exact match “SynZeal Research is an independent research driven company specialized in the custom synthesis of pharmacopeial & non-pharmacopeial reference standards, drug gluconorides, drug…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 387 contacts → | ||||
Exact match “has been servicing customers across the globe have synthesized more than 500 impurities as on date.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 332 contacts → | ||||
Exact match “Founded in 1987, ATL, A Bureau Veritas Company, is a Scientific Sourcing Solutions Company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 306 contacts → | ||||
Exact match “Helping Make Research Possible We are helping make research possible by supplying scientists worldwide with the assay kits, antibodies, proteins, and biochemicals to advance their…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 288 contacts → | ||||
Exact match “Clearsynth Labs Limited is a technology-oriented and research-driven enterprise with the World’s Largest Inventory of high-end research products.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 281 contacts → | ||||
Exact match “Sisco Research Laboratories Pvt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 277 contacts → | ||||
Exact match “Jost Chemical Co.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 271 contacts → | ||||
Exact match “SimSon Pharma Limited, a renowned name in the pharmaceutical sector, has built a high reputation as a complete solution provider in the contract research arena.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 270 contacts → | ||||
Exact match “For over two decades, Pharmaffiliates has been a trusted global partner in pharmaceutical research and development, helping deliver safer, high-quality drugs to the market faster.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 260 contacts → | ||||
Exact match “In 2011, RFCL Limited of India was acquired by Avantor, a global supplier of ultra-high-purity materials for the life sciences and advanced technology markets, and renamed Avantor…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 259 contacts → | ||||
Exact match “For more than 40 years, Waters ERA has been providing analytical laboratories and organizations that rely on laboratory data with the products and services they need to achieve…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 258 contacts → | ||||
Exact match “A LAS (Laboratory Analytical Solutions), é uma importadora e distribuidora de insumos analíticos, químicos e equipamentos que nasceu com a motivação em servir as necessidades de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 244 contacts → | ||||
Exact match “Spectrum Chemical Mfg.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 218 contacts → | ||||
Exact match “Alzchem is a globally active specialty chemicals company that is one of the market leaders in most of its fields of activity.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 198 contacts → | ||||
Exact match “Toronto Research Chemicals, TRC, was founded in 1982 by Dr.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 190 contacts → | ||||
Exact match “QCL is science driven, quality focused, and responsive.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 165 contacts → | ||||
Exact match “TAGOOR LABS, a distinct pharmaceutical entity of TAGOOR GROUP, is a young and agile company that was established by the visionary leadership of Dr.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 161 contacts → | ||||
Exact match “BioSpectra Inc.(BSI), is a privately-owned manufacturer of premium pharmaceutical ingredients and bulk, cGMP fine chemicals, in service to many leading BioPharma companies around…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 136 contacts → | ||||
Exact match “Chromachemie Laboratory Private Limited is an Authorised distributor of United States Pharmacopeia (USP) Reference Standards| Distributors of American Type Culture Collection…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 136 contacts → | ||||
Exact match “Welcome to Delta Finochem Private Limited – a leading player in the pharmaceutical raw materials industry, dedicated to advancing health and wellness through high-quality Active…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 131 contacts → | ||||
Exact match “Eagle Analytical is an FDA- and DEA-registered, A2LA ISO 17025-accredited laboratory that provides analytical chemistry, microbiological testing, consulting, and technical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 109 contacts → | ||||
Exact match “Energon Labs is a cGMP-compliant, USFDA Inspected, ISO/IEC-17025:2005 certified analytical laboratory located in Hyderabad, India.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 100 contacts → | ||||
Exact match “At RICCA CHEMICAL COMPANY, we make your job simple.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 97 contacts → | ||||
Exact match “Kanto is the leading reagent manufacturer worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “impurity and standard suppliers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,145 impurity and standard suppliers worldwide
See the full list, filter by size, metro and specialty, and access 3,697 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Impurity and standard suppliers worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for impurity and standard suppliers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “impurity and standard suppliers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 3,697 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Impurity and standard suppliers by location
8 lists · largest firstEvery Impurity and standard suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Impurity and standard suppliers based in India302
- Impurity and standard suppliers based in the United States160
- Impurity and standard suppliers based in Brazil59
- Impurity and standard suppliers based in Germany44
- Impurity and standard suppliers based in the United Kingdom32
- Impurity and standard suppliers based in Canada31
Cities
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “impurity and standard suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many impurity and standard suppliers are there worldwide?
RevenueBase identified 1,145 company matches for impurity and standard suppliers worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Biosynth tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most impurity and standard suppliers?
India leads with 302 companies, followed by the United States (160) and Brazil (59). Every impurity and standard suppliers list by country and city is linked on this page.
Which city has the most impurity and standard suppliers?
Hyderabad leads with 42 company records, followed by Mumbai (29) and Ahmedabad (26).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 3,697 professional contacts with verified work emails tracked across these 1,145 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,145 impurity and standard suppliers worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 impurity and standard suppliers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,145 matching company records for impurity and standard suppliers worldwide, with 16,503 tracked contacts and 3,697 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 impurity and standard suppliers worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Biosynthbiosynth.comHQ: Staad, SwitzerlandReported employees: 501-1,000 | Staad, Switzerland | 501-1,000 | Exact match | 398 contacts → |
“Biosynth is a global life sciences partner supporting pharmaceutical, biotechnology, diagnostic, and research organizations in advancing discovery, development, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Synzealsynzeal.comHQ: Ahmedabad, IndiaReported employees: 201-500 | Ahmedabad, India | 201-500 | Exact match | 397 contacts → |
“SynZeal Research is an independent research driven company specialized in the custom synthesis of pharmacopeial & non-pharmacopeial reference standards, drug gluconorides, drug…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Sitec Labs PVT LTDsiteclabs.comHQ: Navi Mumbai, IndiaReported employees: Not recorded | Navi Mumbai, India | Not recorded | Exact match | 387 contacts → |
“has been servicing customers across the globe have synthesized more than 500 impurities as on date.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Atl, A Bureau Veritas Companyatlscience.comHQ: Milford, OH, United StatesReported employees: 501-1,000 | Milford, OH, United States | 501-1,000 | Exact match | 332 contacts → |
“Founded in 1987, ATL, A Bureau Veritas Company, is a Scientific Sourcing Solutions Company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Cayman Chemicalcaymanchem.comHQ: Ann Arbor, MI, United StatesReported employees: 201-500 | Ann Arbor, MI, United States | 201-500 | Exact match | 306 contacts → |
“Helping Make Research Possible We are helping make research possible by supplying scientists worldwide with the assay kits, antibodies, proteins, and biochemicals to advance their…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Clearsynthclearsynth.comHQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 288 contacts → |
“Clearsynth Labs Limited is a technology-oriented and research-driven enterprise with the World’s Largest Inventory of high-end research products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Sisco Research Laboratories Pvt. Ltd. SRLsrlchem.comHQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 281 contacts → |
“Sisco Research Laboratories Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Jost Chemicaljostchemical.comHQ: St. Louis, MO, United StatesReported employees: 201-500 | St. Louis, MO, United States | 201-500 | Exact match | 277 contacts → |
“Jost Chemical Co.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Simson Pharma Limitedsimsonpharma.comHQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 271 contacts → |
“SimSon Pharma Limited, a renowned name in the pharmaceutical sector, has built a high reputation as a complete solution provider in the contract research arena.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Pharmaffiliatespharmaffiliates.comHQ: Panchkula, IndiaReported employees: 201-500 | Panchkula, India | 201-500 | Exact match | 270 contacts → |
“For over two decades, Pharmaffiliates has been a trusted global partner in pharmaceutical research and development, helping deliver safer, high-quality drugs to the market faster.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Rfcl Limitedavantorinc.comHQ: Gurgaon, IndiaReported employees: 1,001-5,000 | Gurgaon, India | 1,001-5,000 | Exact match | 260 contacts → |
“In 2011, RFCL Limited of India was acquired by Avantor, a global supplier of ultra-high-purity materials for the life sciences and advanced technology markets, and renamed Avantor…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Waters ERAeraqc.comHQ: Golden, CO, United StatesReported employees: 51-200 | Golden, CO, United States | 51-200 | Exact match | 259 contacts → |
“For more than 40 years, Waters ERA has been providing analytical laboratories and organizations that rely on laboratory data with the products and services they need to achieve…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  LASlas.app.brHQ: Aparecida De Goiânia, BrazilReported employees: 51-200 | Aparecida De Goiânia, Brazil | 51-200 | Exact match | 258 contacts → |
“A LAS (Laboratory Analytical Solutions), é uma importadora e distribuidora de insumos analíticos, químicos e equipamentos que nasceu com a motivação em servir as necessidades de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Spectrum Chemical Mfg. Corpspectrumchemical.comHQ: New Brunswick, United StatesReported employees: 201-500 | New Brunswick, United States | 201-500 | Exact match | 244 contacts → |
“Spectrum Chemical Mfg.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Alzchem Group AGalzchem.comHQ: Trostberg, United StatesReported employees: 1,001-5,000 | Trostberg, United States | 1,001-5,000 | Exact match | 218 contacts → |
“Alzchem is a globally active specialty chemicals company that is one of the market leaders in most of its fields of activity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Toronto Research Chemicalslgcstandards.comHQ: Toronto, ON, CanadaReported employees: 201-500 | Toronto, ON, Canada | 201-500 | Exact match | 198 contacts → |
“Toronto Research Chemicals, TRC, was founded in 1982 by Dr.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Quality Chemical Laboratoriesqualitychemlabs.comHQ: Wilmington, NC, United StatesReported employees: 201-500 | Wilmington, NC, United States | 201-500 | Exact match | 190 contacts → |
“QCL is science driven, quality focused, and responsive.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Tagoor Laboratories Pvt. LTDtagoorlabs.comHQ: Tallapudi, IndiaReported employees: 1,001-5,000 | Tallapudi, India | 1,001-5,000 | Exact match | 165 contacts → |
“TAGOOR LABS, a distinct pharmaceutical entity of TAGOOR GROUP, is a young and agile company that was established by the visionary leadership of Dr.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Biospectra, INCbiospectra.usHQ: Bangor, PA, United StatesReported employees: 201-500 | Bangor, PA, United States | 201-500 | Exact match | 161 contacts → |
“BioSpectra Inc.(BSI), is a privately-owned manufacturer of premium pharmaceutical ingredients and bulk, cGMP fine chemicals, in service to many leading BioPharma companies around…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Chromachemie Laboratory Private Limitedchromachemie.co.inHQ: Bangalore, IndiaReported employees: 201-500 | Bangalore, India | 201-500 | Exact match | 136 contacts → |
“Chromachemie Laboratory Private Limited is an Authorised distributor of United States Pharmacopeia (USP) Reference Standards| Distributors of American Type Culture Collection…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Delta Finochem Private Limiteddeltafinochem.inHQ: Nashik, IndiaReported employees: 201-500 | Nashik, India | 201-500 | Exact match | 136 contacts → |
“Welcome to Delta Finochem Private Limited – a leading player in the pharmaceutical raw materials industry, dedicated to advancing health and wellness through high-quality Active…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  EAGLEeagleanalytical.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 131 contacts → |
“Eagle Analytical is an FDA- and DEA-registered, A2LA ISO 17025-accredited laboratory that provides analytical chemistry, microbiological testing, consulting, and technical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Energon Labsenergonlabs.comHQ: Hyderabad, United StatesReported employees: 51-200 | Hyderabad, United States | 51-200 | Exact match | 109 contacts → |
“Energon Labs is a cGMP-compliant, USFDA Inspected, ISO/IEC-17025:2005 certified analytical laboratory located in Hyderabad, India.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Ricca Chemical Companyriccachemical.comHQ: Arlington, TX, United StatesReported employees: 51-200 | Arlington, TX, United States | 51-200 | Exact match | 100 contacts → |
“At RICCA CHEMICAL COMPANY, we make your job simple.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Kanto Corporationkantocorp.comHQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 97 contacts → |
“Kanto is the leading reagent manufacturer worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,145 company matches
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Impurity and standard suppliers: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,130 records in the displayed employee bands.
15 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,145 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Impurity and standard suppliers by location
8 lists · largest firstEvery Impurity and standard suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Impurity and standard suppliers based in India302
- Impurity and standard suppliers based in the United States160
- Impurity and standard suppliers based in Brazil59
- Impurity and standard suppliers based in Germany44
- Impurity and standard suppliers based in the United Kingdom32
- Impurity and standard suppliers based in Canada31
Cities
Questions about this company list
What does Exact match mean for impurity and standard suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many impurity and standard suppliers did RevenueBase find worldwide?
The saved snapshot records 1,145 matching company records, 16,503 tracked contacts and 3,697 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 impurity and standard suppliers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/impurity-and-standard-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 impurity and standard suppliers worldwide
RevenueBase records 1,145 matching company records for impurity and standard suppliers worldwide, with 16,503 tracked contacts and 3,697 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 impurity and standard suppliers worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Biosynthbiosynth.com HQ: Staad, SwitzerlandReported employees: 501-1,000 | Staad, Switzerland | 501-1,000 | Exact match | 398 contacts → |
“Biosynth is a global life sciences partner supporting pharmaceutical, biotechnology, diagnostic, and research organizations in advancing discovery, development, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Synzealsynzeal.com HQ: Ahmedabad, IndiaReported employees: 201-500 | Ahmedabad, India | 201-500 | Exact match | 397 contacts → |
“SynZeal Research is an independent research driven company specialized in the custom synthesis of pharmacopeial & non-pharmacopeial reference standards, drug gluconorides, drug…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Sitec Labs PVT LTDsiteclabs.com HQ: Navi Mumbai, IndiaReported employees: Not recorded | Navi Mumbai, India | Not recorded | Exact match | 387 contacts → |
“has been servicing customers across the globe have synthesized more than 500 impurities as on date.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Atl, A Bureau Veritas Companyatlscience.com HQ: Milford, OH, United StatesReported employees: 501-1,000 | Milford, OH, United States | 501-1,000 | Exact match | 332 contacts → |
“Founded in 1987, ATL, A Bureau Veritas Company, is a Scientific Sourcing Solutions Company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cayman Chemicalcaymanchem.com HQ: Ann Arbor, MI, United StatesReported employees: 201-500 | Ann Arbor, MI, United States | 201-500 | Exact match | 306 contacts → |
“Helping Make Research Possible We are helping make research possible by supplying scientists worldwide with the assay kits, antibodies, proteins, and biochemicals to advance their…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Clearsynthclearsynth.com HQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 288 contacts → |
“Clearsynth Labs Limited is a technology-oriented and research-driven enterprise with the World’s Largest Inventory of high-end research products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Sisco Research Laboratories Pvt. Ltd. SRLsrlchem.com HQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 281 contacts → |
“Sisco Research Laboratories Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Jost Chemicaljostchemical.com HQ: St. Louis, MO, United StatesReported employees: 201-500 | St. Louis, MO, United States | 201-500 | Exact match | 277 contacts → |
“Jost Chemical Co.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Simson Pharma Limitedsimsonpharma.com HQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 271 contacts → |
“SimSon Pharma Limited, a renowned name in the pharmaceutical sector, has built a high reputation as a complete solution provider in the contract research arena.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Pharmaffiliatespharmaffiliates.com HQ: Panchkula, IndiaReported employees: 201-500 | Panchkula, India | 201-500 | Exact match | 270 contacts → |
“For over two decades, Pharmaffiliates has been a trusted global partner in pharmaceutical research and development, helping deliver safer, high-quality drugs to the market faster.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Rfcl Limitedavantorinc.com HQ: Gurgaon, IndiaReported employees: 1,001-5,000 | Gurgaon, India | 1,001-5,000 | Exact match | 260 contacts → |
“In 2011, RFCL Limited of India was acquired by Avantor, a global supplier of ultra-high-purity materials for the life sciences and advanced technology markets, and renamed Avantor…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Waters ERAeraqc.com HQ: Golden, CO, United StatesReported employees: 51-200 | Golden, CO, United States | 51-200 | Exact match | 259 contacts → |
“For more than 40 years, Waters ERA has been providing analytical laboratories and organizations that rely on laboratory data with the products and services they need to achieve…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | LASlas.app.br HQ: Aparecida De Goiânia, BrazilReported employees: 51-200 | Aparecida De Goiânia, Brazil | 51-200 | Exact match | 258 contacts → |
“A LAS (Laboratory Analytical Solutions), é uma importadora e distribuidora de insumos analíticos, químicos e equipamentos que nasceu com a motivação em servir as necessidades de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Spectrum Chemical Mfg. Corpspectrumchemical.com HQ: New Brunswick, United StatesReported employees: 201-500 | New Brunswick, United States | 201-500 | Exact match | 244 contacts → |
“Spectrum Chemical Mfg.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Alzchem Group AGalzchem.com HQ: Trostberg, United StatesReported employees: 1,001-5,000 | Trostberg, United States | 1,001-5,000 | Exact match | 218 contacts → |
“Alzchem is a globally active specialty chemicals company that is one of the market leaders in most of its fields of activity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Toronto Research Chemicalslgcstandards.com HQ: Toronto, ON, CanadaReported employees: 201-500 | Toronto, ON, Canada | 201-500 | Exact match | 198 contacts → |
“Toronto Research Chemicals, TRC, was founded in 1982 by Dr.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Quality Chemical Laboratoriesqualitychemlabs.com HQ: Wilmington, NC, United StatesReported employees: 201-500 | Wilmington, NC, United States | 201-500 | Exact match | 190 contacts → |
“QCL is science driven, quality focused, and responsive.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Tagoor Laboratories Pvt. LTDtagoorlabs.com HQ: Tallapudi, IndiaReported employees: 1,001-5,000 | Tallapudi, India | 1,001-5,000 | Exact match | 165 contacts → |
“TAGOOR LABS, a distinct pharmaceutical entity of TAGOOR GROUP, is a young and agile company that was established by the visionary leadership of Dr.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Biospectra, INCbiospectra.us HQ: Bangor, PA, United StatesReported employees: 201-500 | Bangor, PA, United States | 201-500 | Exact match | 161 contacts → |
“BioSpectra Inc.(BSI), is a privately-owned manufacturer of premium pharmaceutical ingredients and bulk, cGMP fine chemicals, in service to many leading BioPharma companies around…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Chromachemie Laboratory Private Limitedchromachemie.co.in HQ: Bangalore, IndiaReported employees: 201-500 | Bangalore, India | 201-500 | Exact match | 136 contacts → |
“Chromachemie Laboratory Private Limited is an Authorised distributor of United States Pharmacopeia (USP) Reference Standards| Distributors of American Type Culture Collection…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Delta Finochem Private Limiteddeltafinochem.in HQ: Nashik, IndiaReported employees: 201-500 | Nashik, India | 201-500 | Exact match | 136 contacts → |
“Welcome to Delta Finochem Private Limited – a leading player in the pharmaceutical raw materials industry, dedicated to advancing health and wellness through high-quality Active…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | EAGLEeagleanalytical.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 131 contacts → |
“Eagle Analytical is an FDA- and DEA-registered, A2LA ISO 17025-accredited laboratory that provides analytical chemistry, microbiological testing, consulting, and technical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Energon Labsenergonlabs.com HQ: Hyderabad, United StatesReported employees: 51-200 | Hyderabad, United States | 51-200 | Exact match | 109 contacts → |
“Energon Labs is a cGMP-compliant, USFDA Inspected, ISO/IEC-17025:2005 certified analytical laboratory located in Hyderabad, India.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Ricca Chemical Companyriccachemical.com HQ: Arlington, TX, United StatesReported employees: 51-200 | Arlington, TX, United States | 51-200 | Exact match | 100 contacts → |
“At RICCA CHEMICAL COMPANY, we make your job simple.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Kanto Corporationkantocorp.com HQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 97 contacts → |
“Kanto is the leading reagent manufacturer worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,145 company matches
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Impurity and standard suppliers: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,130 records in the displayed employee bands.
15 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,145 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Impurity and standard suppliers by location
8 lists · largest firstEvery Impurity and standard suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Impurity and standard suppliers based in India302
- Impurity and standard suppliers based in the United States160
- Impurity and standard suppliers based in Brazil59
- Impurity and standard suppliers based in Germany44
- Impurity and standard suppliers based in the United Kingdom32
- Impurity and standard suppliers based in Canada31
Cities
Questions about this company list
What does Exact match mean for impurity and standard suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many impurity and standard suppliers did RevenueBase find worldwide?
The saved snapshot records 1,145 matching company records, 16,503 tracked contacts and 3,697 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 impurity and standard suppliers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/impurity-and-standard-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗