Third-party tested · Published as issued

Certificates of Analysis

Independent laboratory reports for the production lots behind our catalog, published exactly as received — nothing edited, nothing rebranded. Every compound is verified before it reaches our shelf.

A2LA ISO/IEC 17025 accredited HPLC-UV purity + endotoxin Lot-matched certificates
How to read these. Certificates are issued by the testing laboratory to the manufacturer of each production lot and published here unaltered. Vanguard Laboratory is A2LA-accredited to ISO/IEC 17025 (Certificate #6377.01.01); pH Solutions is a licensed California analytical laboratory. Results relate only to the tested sample of the referenced lot. New certificates are added as new lots arrive. All products are supplied for laboratory research use only.