ETHYNODIOL
UNII 9E01C36A9S

Substance Identification & Data

This profile provides standardized clinical and technical data for Ethynodiol, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 9E01C36A9S.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 1231-93-2 and the RxNorm Concept ID (RxCUI) 24591. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
9E01C36A9S
CAS Registry Number
1231-93-2
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
ETHYNODIOL
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
9E01C36A9S
The specific atomic composition represented as a molecular structure string.
InChIKey
C20H28O2
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
JYILPERKVHXLNF-QMNUTNMBSA-N
Line notation for describing the chemical structure and connectivity of atoms.
NCI Thesaurus
National Cancer Institute reference terminology for clinical and research data.
PubChem CID
Unique identification number in the NCBI database of chemical substances.
INN ID
1336
Sequential identifier assigned via the WHO International Nonproprietary Name program.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
[C@]12([C@]([C@]3([C@]([C@@]4(C(=C[C@@H](O)CC4)CC3)[H])([H])CC1)[H])(CC[C@]2(C#C)O)[H])C

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Ethynodiol. Identifiers are organized into official regulatory terms, commercial trade names, and technical systematic synonyms used to ensure accurate identification across clinical pharmaceutical databases, regulatory filings, and electronic health records.

FDA Official Name

ETYNODIOL

Common Names & Synonyms

17.ALPHA.-ETHYNYL-4-OESTRENE-3.BETA.,17.BETA.-DIOL
3.BETA.-HYDROXYLYNESTRENOL
ESTR-4-ENE-3,17-DIOL, 17-ETHYNYL-, (3.BETA.,17.BETA.)-
ETHYNODIOL
ETHYNODIOL [MI]
ETYNODIOL [INN]
ETYNODIOL [WHO-DD]

Systematic Nomenclature

(3.BETA.,17.BETA.)-17-ETHYNYLESTR-4-ENE-3,17-DIOL
19-NORPREGN-4-EN-20-YNE-3,17-DIOL, (3.BETA.,17.ALPHA.)-

NDC Products Containing ETHYNODIOL

This unique ingredient identifier is listed as an ingredient or substance in the following products in the NDC directory: