Every batch, fully documented.
Search Pepteria certificates of analysis by product or batch number. Every batch is HPLC-verified before release.
One of our biggest trust builders — full analytical transparency.
Search by Product
Look up the latest certificate of analysis for any product in our catalogue.
Search by Batch
Enter a batch number printed on your vial to retrieve its analytical file.
Download COA
Download the PDF certificate of analysis with sequence, purity and mass results.
Batch Testing Explained
Understand what we test, how we test it, and what a COA guarantees.
Search by Product
Search by Batch
Enter a batch number printed on your vial to retrieve its analytical file.
QR code lookup
Scan the QR code on your vial to open its COA directly.
Batch Testing Explained
- 01
Every production batch is analysed by reversed-phase HPLC to confirm identity and purity (≥ 99%).
- 02
Molecular mass is verified by ESI mass spectrometry against the theoretical value.
- 03
Endotoxin, moisture and appearance are recorded before release.
- 04
A signed COA travels with every vial and is archived in this library for full traceability.