2026-08-20
How we read an HPLC purity report
A walkthrough of what's actually in a Certificate of Analysis, and what HPLC peak-area purity does and doesn't tell you.
Journal
Blog
2026-08-05
Why we publish COAs by lot, not by product
Batch-to-batch variance is real. Here's why a generic purity badge is meaningless without a lot number attached.
2026-07-22
Reading a molecular profile: formula, weight, and CAS number
A short primer on the identity data listed on every product page, and how to cross-reference it on PubChem.