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
Selank · 10 mg	PQX26071077	L26205-011	Jul 24, 2026	Colmaric Analyticals	98.56%	Confirmed	Open →
Selank · 10 mg	PQX26071084	L26187-012	Jul 06, 2026	Freedom Diagnostics	98.61%	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.