Reference Standards Release Notification Service

Be sure to check our Reference Standards Catalog, updated daily, to confirm the standard you are interested in is not currently available.

Complete this form to receive notifications when new, never-before-released Reference Standard become available. The Service does not communicate back-ordered items or lot changeover releases.

  • Back-Ordered Items: To find out when back-ordered items will become available, contact custsvc@usp.org or call +1-301-881-0666 or 1-800-227-8772.
  • Lot Changeovers: To receive a monthly list of lot changeovers, please subscribe to our free Email Notice.

To sign up for the Reference Standards Release Notification Service, please fill out the form below.