Download the list of available excipient reference standards. Updated daily.
- Ordering Information: How to order direct from USP?
- Technical Services and Account Managers: Find your regional account manager. Get contact information for our Technical Services team.
- How to Use USP Reference Standards: Comprehensive primer on using USP Reference Standards, and how to read product listings.
Reference Standards App
Receive notifications of new reference standards you need, easily browse USP’s reference standards catalog and stay connected with the latest news from USP – all with USP’s Reference Standards App!