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CertaPeptides
COA Verification

Verify Your Certificate of Analysis

Enter the batch number or verification code printed on your product label to confirm the authenticity of your Certificate of Analysis and view full analytical results.

The batch number is located on the product label, typically in the format CP-YYMM-XXXX

Why We Publish COA Data

Transparency is the foundation of trust in research peptide supply. Every batch we sell is independently tested and the results are publicly verifiable.

Independent Labs

All testing performed by ISO 17025 accredited third-party laboratories. No in-house bias.

5-Point Protocol

HPLC purity, mass spectrometry, endotoxin, bioburden, and visual QC on every single batch.

Public Database

Full batch records available on our quality page. Nothing hidden, nothing redacted.