Excipients

Compendium, compendia, compendial: Clearing up the mystery of these terms

In conversations about the role of quality standards in public health, you might come across the words “compendia” and “compendial.” At USP, terms like “compendial approaches,” “compendial standards,” and “compendial tools” are part of our everyday vocabulary. But their meaning can be a bit of a mystery to people who work outside of the pharmaceutical industry and regulatory bodies.

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Pharmaceuticals, printers and paintballs: when variability in excipient quality is and isn’t acceptable

Excipient Quality blog post thumbnail.

Regardless of whether it’s prescription or over-the-counter, the ingredients on a drug product label typically include one, maybe two, active pharmaceutical ingredients (APIs). The rest of the list is comprised of “inactive” ingredients (excipients) which in reality are far from inactive. Variability may be acceptable for products such as printer ink and paintballs, but not pharmaceuticals, making quality standards for excipients critical to ensuring consistent drug quality.

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USP Reference Standards: 5 Tools You Should Know About

Resources for USP Reference Standards Users

Discover convenient tools and helpful tips related to using USP Reference Standards in your work. USP Reference Standards are intended for quality control use in conducting assays and tests in USP’s documentary standards for drugs, dietary supplements, and foods. 

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