All Tirzepatide Certificate of Analysis results(7,683 COAs)
TitrateLab · Certificate of Analysis
Tested vendor:Qingdao Sigma Chemical All Tirzepatide COAs & research All Tirzepatide results & stats

Tirzepatide 99.9% Purity — Qingdao Sigma ChemicalCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.943%
Dose vs label — No quantity measurement on this report.
Evidence Asserted only
Test date
2026-03-02
Testing lab
Janoshik
Batch / lot
947619
Quantity
—
Endotoxins
—
Assay method
—
Label dose
33.51 mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.94% ranks higher than 89% of the 7680 Tirzepatide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-03-02 by Janoshik. This test is newer than 66% of our catalogued Tirzepatide certificates.

Qingdao Sigma Chemical has 515 certificates in our corpus, including 82 for Tirzepatide at a median tested purity of 99.72%.

Manufacturer
Qingdao Sigma Chemical
View vendor profile
Source

Forum / Discord scrape

Asserted only
No verifiable evidence captured. This entry was added to our corpus from Forum / Discord scrape. We did not save the certificate image, did not hash an artifact, and the upstream URL (https://t.me/qsctgchannel/505) is either a domain root or absent — we cannot independently confirm this report existed. Treat as curator-asserted only.
Verify on the upstream lab
Dose
33.51 mg
Catalogued
2026-05-21
OCR text Raw extracted text

Extracted via OCR. Names, emails, phone numbers, and street addresses are auto-redacted before display. 

TEST REPORT JANOSHIK E-mail: [EMAIL_REDACTED] Web: www.janoshik.com
Task Number #109425 Testing ordered > 18 FEB '26
Sample received > 24 FEB '26
Client Anonymous
Sample Sample 1
Manufacturer QSC
[NAME_REDACTED]
Sample description >
See picture or pictures attached.
Tests requested >
[NAME_REDACTED] peptide blind test (Semaglutide, Tirzepatide and Retatrutide)
Results >
Tirzepatide 33.51 mg
Purity 99.943%
Comments >
Analysis conducted > 02 MAR 2026 Signature >
Verify this test at www.janoshik.com/verify/ with the following unique key
BCXU8ULHVNA7
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This certificate 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. New to lab reports? How to read a COA →