Search & Buy
Explore our entire reference standards catalog--including current and previous lots, valid use dates, prices, and more. Updated daily. Click on a catalog number to buy a reference standard from our online store.
Download complete catalog:
- Reference Standards Pricing: See new 2017 pricing - effective January 1, 2017.
- 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 and Read Product Listings: Comprehensive primer on using USP Reference Standards and how to read product listings.
- Reference Standards Releases Notification: Sign up to receive notices when new reference standards become available.