/ quality assurance
Our Quality Assurance Process
A five-step chain of custody, from intake to your lab bench.
Receipt & Logging
Every batch logged with lot number and origin documentation.
Third-Party Testing
Samples are sent to independent third-party analytical laboratories.
Certificate of Analysis
Third-party Certificates of Analysis are obtained for tested batches and published where available.
Quality Approval
Only batches meeting ≥98% purity threshold released.
Secure Storage
Temperature-controlled storage until distribution.
Third-party analytical testing
Analytical testing is performed by independent third-party laboratories using HPLC for purity and mass spectrometry for identity confirmation. Certificates of Analysis are published on the product pages where a report is available for that batch.
Pepbren is a distributor of laboratory research materials. Pepbren does not manufacture products and makes no claim to hold any regulatory registration, accreditation, or certification of its own.