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moiety
Guideline or reference source
ISO11238 IDMP Data elements and structures for the unique identification and exchange of regulated information on substances
Definition
entity within a substance that has a complete and continuous molecular structure. When the strength of a product is based on a moiety, the moiety should be defined in a consistent manner across all products. In order to have a definitive moiety, the free acid and free base should be used as the moiety upon which strength should be based.   NOTE Within this document moiety will be used in the context of non-stoichiometric chemicals. Moieties in general are also be single substances, ions, or solvate molecules.
Related Term
molecular structure
new drug substance
 

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