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VWR International is an American company involved in the distribution of research laboratory products, with over 1,200,000 items to more than 250,000 customers in North America and Europe. The U.S. division is headquartered in Radnor, Pennsylvania. VWR ranked #91 in 2006, and #77 in 2005, in Forbes list of largest American private companies. [4]
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.
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]
1975 – Merger of Sigma Chemical and Aldrich Chemical to created Sigma-Aldrich. [13] Their first year earned $43 million in sales. [14] 1999 – Sigma-Aldrich reaches $1 billion in sales; 2005 – Announced membership in The RNAi Consortium [15] 2014 – Merck KGaA announced that it would purchase Sigma-Aldrich for approx. $17 billion (€13.1 ...
Certified reference materials (CRMs) are 'controls' or standards used to check the quality and metrological traceability of products, to validate analytical measurement methods, or for the calibration of instruments. [1] A certified reference material is a particular form of measurement standard.
In 2016, Avantor merged with Nusil Technology. In 2017, Avantor acquired chemical blending business Puritan Products Inc. and laboratory supplies company VWR. The combined company operates under the Avantor name, with VWR and vwr.com remaining as a selling channel. [10]
Reagent Chemicals [a] is a publication of the American Chemical Society (ACS) Committee on Analytical Reagents, [1] detailing standards of purity for over four hundred of the most widely used chemicals in laboratory analyses and chemical research. Chemicals that meet this standard may be sold as "ACS Reagent Grade" materials.
ATCC also serves to set standards for biological reagent and assay quality. These standards are used by the U.S. Food and Drug Administration and the U.S. Department of Agriculture, as well as organizations such as AOAC International, the Clinical and Laboratory Standards Institute, the U.S. Pharmacopeia, and the World Health Organization. [5]