substituent
- Guideline or reference source
- ISO11238 IDMP Data elements and structures for the unique identification and exchange of regulated information on substances
- Definition
- molecular fragment attached to a structural repeat unit of a polymer that typically replaces a hydrogen atom NOTE This information shall be captured as part of the structural repeat unit when the position of substitution is fully occupied. When occupancy of a site is incomplete, the amount of a substitiuent or substituents shall be specified.
- Related Term
- polymer
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