Verification

Certificate of analysis library

Every batch we release is tested by an independent ISO/IEC 17025 laboratory. Search by batch number, lot or product to pull the exact certificate that shipped with your vial.

Certificates

99.07%

Average purity

Products covered

Independent labs

Product	Batch	Lot	Tested	Laboratory	Purity	Identity
KPV · 10 mg	PQX26071133	L26207-019	Jul 26, 2026	Freedom Diagnostics	99.55%	Confirmed	Open →
KPV · 10 mg	PQX26071140	L26186-020	Jul 05, 2026	Janoshik Analytical	99.33%	Confirmed	Open →

How to read a COA. Purity is measured by HPLC-UV against the total peak area; identity is confirmed by LC-MS against the expected monoisotopic mass; net content verifies the fill weight in the vial. If a batch does not meet spec, it is not released.