Since the United States Pharmacopeia (USP) and National Formulary (NF) General Notices combined, it could be interpreted that API requirements apply to excipients. In USP–NF General Notices, an API ...
Torbeck emphasized the important philosophical difference between a standard and a specification, and he quoted from the United States Pharmacopeia (USP) 28 (2005) General Notices (1), “Compendial ...