EDQM FAQs
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No expiry date is assigned to EDQM reference standards, but they are monitored regularly. Users must ensure that the EDQM reference standard is valid at the time of use by checking the batch validity statement (BVS) available from the Ph. Eur. reference standards database. We recommend that users purchase only a sufficient amount for immediate requirements and use. Once a container has been opened, the stability of its content cannot be guaranteed.