Certificates of Analysis — Lyophilized Peptide Vials

Each batch of H&J Pharma lyophilized vials is analysed by Lab Centro before release. The certificates below report peptide purity by RP-HPLC, identity, appearance, moisture, sterility, endotoxin, heavy metals and an adulterant screen for that specific batch.

17 certificates published Purity by RP-HPLC, UV 214 nm Sterility, endotoxin & heavy metals
17 of 17 certificates
No certificate matches your search. Try the peptide name, for example “GHK” or “Tirzepatide”.

What each certificate reports

  • COA number and batch number — the certificate reference and the production batch it belongs to.
  • Peptide purity — RP-HPLC with UV detection at 214 nm.
  • Identity — retention-time match against the reference standard.
  • Appearance and moisture — visual check plus Karl Fischer water content, confirming correct lyophilization.
  • Sterility, bioburden and endotoxin — microbiological testing of the finished vial.
  • Heavy metals — arsenic, cadmium, chromium, mercury and lead.
  • Adulterant screen — LC-MS/MS full-scan review for unexpected analytes.

Holding a vial whose batch is not listed here? Get in touch via Contact Us and we will send the certificate for that batch.

All products are supplied for laboratory research use only. Not for human or veterinary use.

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