Retatrutide 99.7% Purity — Crest PeptidesCertificate of Analysis · Independent third-party lab result

Name: Retatrutide COA — Crest Peptides (99.7% purity)
Creator: Freedom Diagnostics
License: https://titratelab.com/terms

Tested purity 99.7% High purity · 99.654%

Dose vs label +1.2% Essentially at label

Evidence Source archived

Test date: 2025-12-31
Testing lab: Freedom Diagnostics
Batch / lot: CPRT2510-5
Quantity: 5.06 mg
Endotoxins: —
Assay method: HPLC + MS
Label dose: 5mg

Context

How this result compares

This Retatrutide certificate's tested purity of 99.65% ranks higher than 24% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-12-31 by Freedom Diagnostics via HPLC + MS. This test is newer than 37% of our catalogued Retatrutide certificates.

Crest Peptides has 24 certificates in our corpus, including 4 for Retatrutide at a median tested purity of 99.93%.

Manufacturer

Crest Peptides

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Source

Freedom Diagnostic

Source archived

We archived this certificate's source document — an immutable, SHA-256-fingerprinted copy held by TitrateLab (see Saved source document below). It stays verifiable even if the upstream page disappears.

Retatrutide 99.7% Purity — Crest PeptidesCertificate of Analysis · Independent third-party lab result

How this result compares

Freedom Diagnostic

Saved source document

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