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

Tirzepatide 99.8% Purity — www.zjpeptix.comCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.810%
Dose vs label +14.3% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this tirzepatide from www.zjpeptix.com at 99.81% purity via HPLC. The tested quantity was 22.86mg, a 14.3% deviation from the 20mg label. Endotoxin status is unknown. The test is recent (under 3 months) and customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • quantity deviation (14.3%)
Test date
2026-04-14
Testing lab
Janoshik
Batch / lot
Quantity
22.86mg
label 20mg · tested 22.86mg
Endotoxins
Assay method
HPLC
Label dose
20mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.81% ranks higher than 47% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-04-14 by Janoshik via HPLC. This test is newer than 76% of our catalogued Tirzepatide certificates.

www.zjpeptix.com has 3 certificates in our corpus, including 1 for Tirzepatide at a median tested purity of 99.81%.

Manufacturer
www.zjpeptix.com
View vendor profile
Peptides on this report
Tirzepatide
Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Janoshik (public)

Artifact captured

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

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Method
HPLC
Dose
20mg
Catalogued
2026-04-20
Artifact hash
467d212baa93292e…
OCR text Raw extracted text

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

{"peptide": "Tirzepatide", "dose": "20mg", "purity_pct": 99.81, "purity_label": "99.810%", "method": "HPLC", "test_date": "2026-04-14", "client": "[EMAIL_REDACTED]", "notes": "", "label_qty": "20mg", "tested_qty": "22.86mg", "quantity_deviation_pct": 14.3, "is_blend": false, "components_json": "", "ocr_confidence": 0.98}
Related

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This certificate is part of TitrateLab's community-trust corpus. See more from www.zjpeptix.com or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →