For research use only. Not for human consumption. Not medical advice — consult a licensed clinician.

Independent test result

Selank

by Qihang Peptide· batch 4

99.87 %

measured purity(HPLC)· April 9, 2026

HPLC purity
99.871
Net peptide content
5.5

How this batch compares

This batch measured 99.87%, 0.15 pts above the all-vendor average of 99.72% across 39 COAs from 17 vendors.

99.2% 100.0%
This batch 99.87% Peptide avg (39 COAs) 99.72%