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

Independent test result

Retatrutide

by Qihang Peptide· batch 12

99.24 %

measured purity(HPLC)· January 15, 2026

HPLC purity
99.238
Net peptide content
21.1

How this batch compares

This batch measured 99.24%, 0.29 pts below Qihang Peptide's average of 99.53% for this peptide over 2 batches, and 0.48 pts below the all-vendor average of 99.72% across 194 COAs from 37 vendors.

98.4% 100.0%
This batch 99.24% Vendor avg (2 batches) 99.53% Peptide avg (194 COAs) 99.72%
From the same lot

Other tests in lot 12

Same batch, independently tested. Cross-confirm the purity claim.