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"R"

reprocessing
Guideline or reference source
ICHQ7 Good manufacturing practice for active pharmaceutical ingredients
Definition
Introducing an intermediate or API, including one that does not conform to standards or specifications, back into the process and repeating a crystallization step or other appropriate chemical or physical manipulation steps (e.g., distillation, filtration, chromatography, milling) that are part of the established manufacturing process. Continuation of a process step after an in-process control test has shown that the step is incomplete is considered to be part of the normal process, and not reprocessing.
Related Term
processing material
 

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