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

Tirzepatide 99.6% Purity — Zzq PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.6% High purity · 99.60%
Dose vs label +22.5% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabG tested this Tirzepatide at 99.6% purity via HPLC and mass quantification. The tested quantity of 49mg significantly exceeded the 40mg label, a deviation of 22.5%. Endotoxin status is not applicable, and the test is older (6-12 months).

Watch out for
  • no endotoxin test
  • stale (6-12 months)
  • quantity deviation (22.5%)
Test date
2025-10-07
Testing lab
LabG
Batch / lot
(no batch ID)
Quantity
49mg
label 40mg · tested 49mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
4.2
Label dose
40mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.60% ranks higher than 18% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-10-07 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 32% 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
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Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Finnrick

Artifact captured

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Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
40mg
Container
No Label / Silver Crimp / Green Cap
Catalogued
2026-04-16
Artifact hash
0b3142abefcccf4c…
Saved source

Saved source document

sha256:576e7e89d4c48c3b… — immutable copy held by TitrateLab

Related

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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 →