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2. Certificate of analysis - Wikipedia

   en.wikipedia.org/wiki/Certificate_of_analysis

   In the case of a produced chemical, drug, ingredient, or standard, the manufacturer will likely include a COA for the end user. In the case of a tested product/material/sample, the recipient of the COA will be the entity that ordered the analysis or mandated the test via regulation, as with cannabis testing.

3. VWR International - Wikipedia

   en.wikipedia.org/wiki/VWR_International

   VWR acquired two other companies earlier in the year, EPL Archives and Seastar Chemicals [17] On May 5, 2017, it was announced that Avantor , a Center Valley, Pennsylvania-based supplier of ultra-high-purity materials to the life sciences and advanced technology industries, would acquire VWR for $33.25 in cash per share of VWR common stock ...

4. List of chemical databases - Wikipedia

   en.wikipedia.org/wiki/List_of_chemical_databases

   Chemexper Chemical Directory catalogue chemicals CASno Structure SMILES "ChemExper". Chemxpert Database Chemxpert Chemical Database small molecules database buyers,suppliers "ChemxpertDB". 10,00000 Chemical Book East West University: commercially available compounds CASno, suppliers, properties "Chemical Book". 200,000 Chemical Register

5. Sigma-Aldrich - Wikipedia

   en.wikipedia.org/wiki/Sigma-Aldrich

   Sigma Chemical Company of St. Louis and Aldrich Chemical Company of Milwaukee were both American specialty chemical companies when they merged in August 1975. The company grew throughout the 1980s and 1990s, with significant expansion in facilities, acquisitions and diversification into new market sectors.

6. N-(1-Naphthyl)ethylenediamine - Wikipedia

   en.wikipedia.org/wiki/N-(1-Naphthyl)ethylenediamine

   N-(1-Naphthyl)ethylenediamine dihydrochloride is widely used in the quantitative analysis of nitrate and nitrite in water samples by colorimetry.It readily undergoes a diazonium coupling reaction in the presence of nitrite to give a strongly colored azo compound.

7. Univar Solutions - Wikipedia

   en.wikipedia.org/wiki/Univar_Solutions

   Univar Solutions Inc.(formerly Royal Vopak) is a global chemical and ingredients distributor and provider of value-added services.. Founded in 1924 as Van Waters & Rogers, it was acquired in August 2023 by funds controlled by Apollo Global Management. [2]