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

Tirzepatide 99.7% Purity — Zzq PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity · 99.729%
Dose vs label 32.20mg · tested 32.20mg
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this tirzepatide at 99.729% purity via HPLC. The tested quantity was 32.20mg, but the labeled quantity is unknown, so quantity deviation cannot be assessed. Endotoxin status is also unknown. The test is older (6-12 months). Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • stale (6-12 months)
  • quantity deviation unknown
Test date
2025-09-11
Testing lab
Janoshik
Batch / lot
Quantity
32.20mg
Endotoxins
Assay method
HPLC
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.73% ranks higher than 30% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-09-11 by Janoshik via HPLC. This test is newer than 28% of our catalogued Tirzepatide certificates.

Zzq Peptides has 57 certificates in our corpus, including 21 for Tirzepatide at a median tested purity of 99.55%.

Manufacturer
Zzq Peptides
View vendor profile
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.

Verify on the upstream lab
Method
HPLC
Catalogued
2026-04-22
Artifact hash
57deecc8d43009b0…
OCR text Raw extracted text

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

{"peptide": "Tirzepatide", "dose": "", "purity_pct": 99.729, "purity_label": "99.729%", "method": "HPLC", "test_date": "2025-09-11", "client": "www.zzqpeptide.com", "notes": "", "label_qty": "", "tested_qty": "32.20mg", "quantity_deviation_pct": null, "is_blend": false, "components_json": "", "ocr_confidence": 0.95}
Related

Other Tirzepatide certificates

All Tirzepatide results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from Zzq Peptides or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →