Tirzepatide · Qingdao Sigma Chemical

AI summary Trust: medium Third-party lab

Janoshik tested this tirzepatide batch (Nov 26 Purple Cap) at 99.737% purity. Quantity was slightly over-labeled by 4.9%. The test is stale (over 1 year old), and the test method and endotoxin status are unknown. Customers can cross-check on the lab's public verification URL.

Watch out for

stale (1+ years old)
no endotoxin test
vague purity language

Test date

2025-01-24

Purity

99.74%

Batch / lot

Nov 26 Purple Cap

Lab

Janoshik

Quantity

label 30mg tested 31.47mg

Qty vs label

+4.9%

Endotoxins

—

Test score

—

Manufacturer

Qingdao Sigma Chemical

View vendor dossier

Certificate

Test report image

Certificate scan as published.

Source

Third-party community lab

✓ Artifact captured

We have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact below.

Catalogued: 2026-04-24
Artifact hash: 7f38ac31130c3ea2…

This COA is part of TitrateLab's community-trust corpus. See more from Qingdao Sigma Chemical or learn how trust scores are computed on the methodology page.