All Retatrutide Certificate of Analysis results— 9827 COAs
TitrateLab · Certificate of Analysis

Retatrutide 99.2% Purity — Peptide CraftersCertificate of Analysis · Independent third-party lab result

Tested purity 99.2% High purity · 99.23%
Dose vs label +22.8% Over the labeled dose +2.2% vs vendor claim
Evidence Artifact captured Trust: medium
AI summary Third-party lab

This COA was tested by an independent third-party lab, LabC. The retatrutide batch PC-J-RT10 showed 99.23% purity via HPLC. The tested quantity was 12.28mg against a 10mg label, a 2.2% deviation. Endotoxin status is unknown, and the test is stale (over 1 year old).

Watch out for
  • stale (1+ years old)
  • no endotoxin test
Test date
2025-02-28
Testing lab
LabC
Batch / lot
PC-J-RT10
Quantity
12.28mg
label 10mg · tested 12.28mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
7.5
Label dose
10mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.23% ranks higher than 7% of the 9822 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-02-28 by LabC via HPLC + mass quantification + endotoxins. This test is newer than 2% of our catalogued Retatrutide certificates.

Peptide Crafters has 113 certificates in our corpus, including 13 for Retatrutide at a median tested purity of 99.70%.

Manufacturer
Peptide Crafters
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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
10mg
Container
Yellow, Black, White Label / Silver Crimp / Green Cap
Catalogued
2026-04-16
Artifact hash
aa937b28331acc21…
Saved source

Saved source document

sha256:4a3aaf6b7a93efd8… — immutable copy held by TitrateLab

Related

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