All Tirzepatide Certificate of Analysis results— 7368 COAs
TitrateLab · Certificate of Analysis

Tirzepatide 99.6% Purity — Qingdao Sigma ChemicalCertificate of Analysis · Independent third-party lab result

Tested purity 99.6% High purity · 99.596%
Dose vs label -2.4% Essentially at label
Evidence Artifact captured
Test date
2025-11-24
Testing lab
QSC
Batch / lot
Red Cap
Quantity
14.64 mg
label 15mg · tested 14.64 mg
Endotoxins
Assay method
Label dose
15mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.60% ranks higher than 17% of the 7366 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-11-24 by QSC. This test is newer than 42% of our catalogued Tirzepatide certificates.

Qingdao Sigma Chemical has 514 certificates in our corpus, including 82 for Tirzepatide at a median tested purity of 99.72%.

Manufacturer
Qingdao Sigma Chemical
View vendor profile
Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Community submission

Artifact captured

Submitted by distilled-oryx-12 +459

We have the certificate image — you can verify it loads from the upstream lab and matches the artifact shown here.

Dose
15mg
Catalogued
2026-07-10
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 #89879
Testing ordered > 13 NOV '25
Sample received > 21 NOV '25
Client Telegram @tracyfromqsc
Sample Tirzepatide 15mg
Manufacturer QSC
[NAME_REDACTED] description >
See picture or pictures attached.
Tests requested >
Assessment of a peptide vial or vials.
Results >
Tirzepatide 14.64 mg
Purity 99.596%
Comments >
Analysis conducted > 24 NOV 2025
Signature >
Verify this test at www.janoshik.com/verify/ with the following unique key
K7IZV5VTF382
Related

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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 →