What is the difference between related compounds and impurities – FAQ

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ARTICLES, APPNOTES, FAQ (9187)
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April 14, 2020
Bill Ciccone

AppNotes Alternate Generic Methods / AppNotes Pharmaceuticals / ARTICLES, APPNOTES, FAQ / Frequently Asked Questions?? / HPLC Primer / HPLC Tips and Suggestions

In the pharma industry, it is generally said that related compounds encompass all process-related substances as well as degradants that may be formed.

Hence, impurities are a subset of related compounds. That is, all impurities are related compounds but not all related compounds are impurities.

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