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Nitrosamine Impurities and How Companies are Addressing the Crisis

We’ve recently written extensively about nitrosamine impurities, including this in-depth analysis of what transpired with Valsartan, and some follow-up material, here and here. Nitrosamine impurities have been receiving a great…

Posted in analytical science, API synthesis, APIs, Chemistry, CMC, genotoxic impurities, Quality, Valsartan | Tagged , , , , , | Comments Off on Nitrosamine Impurities and How Companies are Addressing the Crisis

Valsartan Contamination: A Follow-Up

Following up on our earlier post on the 2018 valsartan contamination, much has happened over the last six months. In our original post, we discussed the appearance of impurities in…

Posted in APIs, CMC, drugs, FDA, genotoxic impurities, Impurity profile, process chemistry, QA/QC, regulatory | Tagged , , , , , , | Comments Off on Valsartan Contamination: A Follow-Up