Pharmaceutical Secondary Standards

Our Secondary Pharmaceutical Standards are certified under double accreditation to ISO/IEC 17025 and ISO Guide 34 and are multi-traceable to reference standards from various Pharmacopeial organizations such as USP, PhEUR, and BP. These standards are produced and certified by Sigma-Aldrich RTC.
The ISO Guide 31 compliant Certificate of Analysis includes complete certification details and an independent certified purity value, allowing use of the standard by ISO/IEC 17025 accredited laboratories.
View more information on secondary pharma standards, including an example certificate at: pharma secondary standards

Certificates of Analysis for Secondary Pharmaceutical Standards can be downloaded from the related product webpage.