Reference Standards Release Notification Service

The Reference Standards Notification Service will notify you when a new never-before-released Reference Standard becomes available. The Service does not communicate the release of back-ordered items or lot changeovers. To find out when back-ordered items will become available again, please contact customer service at custsvc@usp.org or call +1-301-881-0666 or 1-800-227-8772.

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.

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