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

Independent test result

Tirzepatide

by Cocer Peptides· batch CS-ze10-0202

99.69 %

measured purity(HPLC)· February 10, 2026

HPLC purity
99.691
Net peptide content
12.08

How this batch compares

This batch measured 99.69%, 0.07 pts below Cocer Peptides's average of 99.76% for this peptide over 2 batches, and right at the all-vendor average of 99.68% across 197 COAs from 38 vendors.

74.5% 100.0%
This batch 99.69% Vendor avg (2 batches) 99.76% Peptide avg (197 COAs) 99.68%