Guides
How to check a research supplier’s proof for yourself: what a certificate shows, what each test proves, and how a lot number ties a vial to its report.
- 3 minute read How to read a certificate of analysis What each part of a research peptide certificate of analysis tells you, and how to confirm it with the lab that issued it. Read the guide
- 2 minute read HPLC and mass spectrometry: what each test proves Purity and identity are different questions. What each test answers, what it cannot tell you, and why a certificate needs both. Read the guide
- 2 minute read What a lot number tells you A lot number links the material you received to the batch that was tested. What it means, where to find it and how to look one up. Read the guide
- 2 minute read Six checks before you trust a supplier’s certificate Six quick checks that show whether a research supplier’s certificate can be trusted. They work on any brand, ours included. Read the guide
