Independent test result

Tirzepatide

by DongCheng Peptide· batch 3

99.91 %

measured purity(HPLC)· March 19, 2026

HPLC purity: 99.906
Net peptide content: 135.7

How this batch compares

This batch measured 99.91%, 0.22 pts above the all-vendor average of 99.68% across 208 COAs from 38 vendors.

74.5% 100.0%

This batch 99.91% Peptide avg (208 COAs) 99.68%

From the same lot

Other tests in lot 3

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

Aggregated · 3rd-party listing

99.53 %

Mar 2026

Janoshik Analytical · HPLC

For

GHK-Cu

by YH Peptide· batch 3

Aggregated · 3rd-party listing

99.91 %

Mar 2026

Janoshik Analytical · HPLC

For

Tirzepatide

by Qihang Peptide· batch 3

Aggregated · 3rd-party listing

99.76 %

Mar 2026

Janoshik Analytical · HPLC

For

SS-31

by Qihang Peptide· batch 3

Aggregated · 3rd-party listing

99.59 %

Mar 2026

Janoshik Analytical · HPLC

For

BPC-157

by Qihang Peptide· batch 3

Aggregated · 3rd-party listing

99.57 %

Mar 2026

Janoshik Analytical · HPLC

For

AOD-9604

by Qihang Peptide· batch 3

Aggregated · 3rd-party listing

99.45 %

Mar 2026

Janoshik Analytical · HPLC

For

Semaglutide

by Qihang Peptide· batch 3

Aggregated · 3rd-party listing

—

Mar 2026

Purity not on file

Janoshik Analytical

For

5-Amino-1MQ

by Qihang Peptide· batch 3