Lab Testing Standards

Every batch of Physis Peptides undergoes rigorous third-party analysis before release.

HPLC Purity

High-Performance Liquid Chromatography confirms ≥99% purity for every lot. Results are included on the Certificate of Analysis.

Mass Spectrometry

Identity confirmation via ESI-MS / MALDI-TOF ensures the correct molecular weight and sequence.

Endotoxin & Sterility

Selected research lots are screened for bacterial endotoxins and microbial contamination.

Batch Traceability

Every vial carries a unique lot number linked to its COA, synthesis date, and testing laboratory.

Browse COA Gallery →