Insights
Regulatory notes
Short, practical reading on grades, documents, regulation, freight and lab maths. Written so you can act on it the same day.
Regulatory
Pharmacopoeial Grades Explained: USP, EP, BP, IP and JP
A USP grade and an EP grade of the same substance are not always interchangeable. What pharmacopoeial grades mean and how to choose between them.
22 Oct 2026 5 minRegulatoryBuying Nitrosamine Reference Standards: What to Ask First
Nitrosamine standards are small in quantity but big in consequence. The questions to put to any supplier before an NDMA or NDSRI standard reaches your lab.
16 Sep 2026 5 minReading up before you buy?
When you know what you need, add the products to your quote list or paste a CAS list. One enquiry covers price, lead time, documents and freight.