Since 2018 multiple actions have been required to address the presence of nitrosamine impurities in active substances against a background of developing strategies as the information about this issue evolves.

Further information on nitrosamines impurities.

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Please go to Certification Policy documents & Guidelines for a list of all of our guidelines.

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Search for a list of granted CEPs, their type, the name of the substance, the full CEP number, the issue date and validity status, using the Certification Database (updated daily).

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Applicants commit to provide samples of substance and/or impurities when requested by the EDQM.