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

Independent test result

Semaglutide

by Qihang Peptide· batch 3

99.45 %

measured purity(HPLC)· March 16, 2026

HPLC purity
99.453
Net peptide content
6.66

New to reading a COA? See how to read a peptide COA →

How this batch compares

This batch measured 99.45%, 0.17 pts below the all-vendor average of 99.62% across 118 COAs from 20 vendors.

98.9% 100.0%
This batch 99.45% Peptide avg (118 COAs) 99.62%
Compare pricing

See Semaglutide pricing across 20 verified vendors

Merit's price comparison page pulls current listings so you can cross-check purity history vendor by vendor before you buy.