Select a product to begin
Pick any peptide from the catalog on the left to view its full Certificate of Analysis, batch history, and analytical test results.
Why PepNexa Quality Records?
Every batch record is generated under documented analytical methods and reviewed by our qualified personnel before release.
HPLC Purity Data
Main-peak purity percentage from RP-HPLC analysis with chromatographic conditions documented in every batch.
Mass Spec Confirmation
Molecular weight verified by ESI-MS, paired with sequence-specific ion analysis for identity confirmation.
QP Signature
Every certificate is signed by a Qualified Person with documented credentials, batch number, and release date.
8-Test Panel
Each batch passes an 8-test analytical panel: HPLC, MS, AAA, water content, solubility, appearance, endotoxin, residual solvents.
Need a Specific CoA?
Request batch-specific documentation, full analytical packages, or custom testing for your research program. Our team responds within 24 hours.
Reference Documents
Standard documentation accompanying every order.