The products described in this category include Pharmaceutical Certified Reference Substances (CRS) for use in pharmaceutical analysis. Pharmaceutical CRS should be distinguished from Certified Reference Material (CRM), which are produced in conformity with the ISO Guide 30 to 35 and supplied with a detailed certification document.
Pharmaceutical CRS are produced for specific purpose, and manufacturers follow rigorous protocols to ensure the reference substance is fit for the intended purpose. The certification processes follows the basic requirements of the relevant ISO REMCO Guides but are modified by the pharmaceutical monograph.
Pharmaceutical Subcategories: