PLEASE NOTE: On November 1st, 2022, the USP Compounding Compendium has migrated to an online platform and will no longer be available in PDF format. Starting November 1st, 2022 users should log in at https://online.uspnf.com to access the new USP Compounding Compendium. Users need a USP Access Point account and a USP Compounding Compendium subscription key to access the new online USP Compounding Compendium. Users with a valid subscription will receive an email with your new online USP Compounding Compendium subscription key from USP.