Third-Party Verified Quality
Every batch of PeptidePro peptides is independently tested by ISO 17025-accredited laboratories. We publish Certificates of Analysis (COA) for full transparency.
What Our COA Includes
- Peptide Identity — Confirmed via electrospray ionization mass spectrometry (ESI-MS)
- Purity Assessment — HPLC with UV detection at 220nm wavelength
- Amino Acid Sequence — Verified against reference standard
- Appearance — Visual inspection of lyophilized product
- Solubility — Tested in appropriate solvents
- Net Peptide Content — Gravimetric and analytical verification
- Lot Number — Full traceability from synthesis to shipping
To request a COA for any product, email coa@peptidepro.com with your order number and lot number.