Title: directional stem
Long Title: IUPAC Gold Book - directional stem
DOI: 10.1351/goldbook.14208
Status: current

Definition
Stem of a directional chain.

Related Term
- directional chain: https://goldbook.iupac.org//terms/view/14207

Source
- PAC, 2011, 83, 1831. 'Definitions of terms relating to crystalline polymers (IUPAC Recommendations 2011)' on page 1839 (https://doi.org/10.1351/PAC-REC-10-11-13)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/14208/html
- json: https://goldbook.iupac.org/terms/view/14208/json
- xml: https://goldbook.iupac.org/terms/view/14208/xml

Citation: Citation: 'directional stem' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.14208
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Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.
Accessed: 2026-04-20T20:59:40+00:00