All Tirzepatide Certificate of Analysis results(7,697 COAs)
TitrateLab · Certificate of Analysis
Tested vendor:Qingdao Sigma Chemical All Tirzepatide COAs & research All Tirzepatide results & stats

Tirzepatide 99.8% Purity — Qingdao Sigma ChemicalCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.807%
Dose vs label — No quantity measurement on this report.
Evidence Asserted only
Test date
2025-12-15
Testing lab
Janoshik
Batch / lot
Light [NAME_REDACTED]
Quantity
—
Endotoxins
—
Assay method
—
Label dose
20.41mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.81% ranks higher than 46% of the 7694 Tirzepatide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-12-15 by Janoshik. This test is newer than 45% 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/363) 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
20.41mg
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 #93619
Testing ordered > 01 DEC '25
Sample received > 12 DEC '25
Client
Telegram @tracyfromqsc
Sample
Tirzepatide 20mg
[NAME_REDACTED]
QSC
Batch
Light Blue Cap
Sample description >
See picture or pictures attached.
Tests requested >
Assessment of a peptide vial or vials.
Results >
Tirzepatide
20.41 mg
Purity
99.807%
Comments >
Analysis conducted > 15 DEC 2025
Signature >
Verify this test at www.janoshik.com/verify/ with the following unique key
JVLJT3FUFBPD
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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 →