The following are lists of "first time" in the USP Reference Standards Catalog. Select a Reference Standard for more details.
New Reference Standard Releases
two-blue-white
New Releases
- Alosetron Hydrochloride (200 mg)
- Dicyclomine Related Compound A (40 mg)
- Rotigotine Related Compound G (25 mg)
- Cobamamide (3 x 100 mg)
- Potassium Nitrate Melting Point Standard
- Rotigotine Related Compound K (25 mg)
- p-Ranolazine (25 mg)
- Deferasirox System Suitability Mixture (20 mg)
- Prazosin Related Compound D (25 mg)
- Pramipexole Related Compound G (25 mg)
two-blue-white
Want Updates in Your Inbox?
Subscribe to our monthly updates
Search & Buy Reference Standards
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 catalog:
single-image-text
Stay notified about new releases
USP regularly tests the standards you use to ensure that they remain up-to-date and suitable for your compendial needs. Receive notifications based on your needs and usage by downloading the USP Reference Standards App today.
Ordering information
See 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
See a comprehensive primer on using USP Reference Standards and how to read product listings.