Response BioLabs
Buy now

COA library

Every lot we have published, in one place

Each certificate is tied to a specific lot, not to the product line. Compare the batch on your vial against the batch on the certificate. Reports are published as the lab issued them, so the testing facility, the method, and the result are all on the document itself.

Not sure where to start

How familiar are you with peptides?

No wrong answer. It just changes where we start you.

Three taps, then your details, and pricing opens on all 36 compounds. No password.

132
Certificates on file
27
Compounds tested
3
Assays covered

27 compounds, every published lot.

Not sure how to read one of these? We wrote a guide that walks through a real chromatogram, including what a certificate cannot tell you.