01
Method
Reading a Certificate of Analysis
A short field guide to HPLC traces, retention time, and purity thresholds.
Jun 2026
6 min
Short, technical writing on methods, materials, and the compounds we distribute. Written by the team that batches and tests them.
A short field guide to HPLC traces, retention time, and purity thresholds.
How our optional insulated packaging maintains 2–8°C from Vancouver to Halifax, and when it matters.
Why the 0.5 EU/mg threshold matters — and how to measure below it.
Practical handling notes on lyophilised semaglutide and tirzepatide vials.