All Tirzepatide Certificate of Analysis results— 7380 COAs
TitrateLab · Certificate of Analysis

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

Tested purity 99.8% High purity · 99.818%
Dose vs label +8.4% Over the labeled dose
Evidence Artifact captured Trust: low
AI summary Third-party lab

[skipped: off-topic — no tracked compound detected in OCR/peptide field]

Test date
2024-11-27
Testing lab
Janoshik
Batch / lot
Quantity
54.22mg
label 50mg · tested 54.22mg
Endotoxins
Assay method
HPLC
Label dose
50mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.82% ranks higher than 48% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2024-11-27 by Janoshik via HPLC. This test is newer than 4% of our catalogued Tirzepatide certificates.

Qingdao Sigma Chemical has 510 certificates in our corpus, including 82 for Tirzepatide at a median tested purity of 99.72%.

Manufacturer
Qingdao Sigma Chemical
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Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Janoshik (public)

Artifact captured

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Method
HPLC
Dose
50mg
Catalogued
2026-04-24
Artifact hash
11031a6b13b9262d…
OCR text Raw extracted text

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

{"peptide": "Tirzepaptide", "dose": "50mg", "purity_pct": 99.818, "purity_label": "99.818%", "method": "HPLC", "test_date": "2024-11-27", "client": "Qingdao Sigma Chemical Co., ltd", "notes": "", "label_qty": "50mg", "tested_qty": "54.22mg", "quantity_deviation_pct": 8.44, "is_blend": false, "components_json": "", "ocr_confidence": 0.95}
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 →