13-ETHYL-17-HYDROXY-18,19-DINORPREGN-20-YN-3-ONE, (5.ALPHA.,17.ALPHA.)-(+/-)-
UNII V4GH2U8LH2

Substance Identification & Data

This profile provides standardized clinical and technical data for 13-ethyl-17-hydroxy-18,19-dinorpregn-20-yn-3-one, (5.alpha.,17.alpha.)-(+/-)-, uniquely identified by the FDA Unique Ingredient Identifier (UNII) V4GH2U8LH2.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 20402-55-5 and the RxNorm Concept ID (RxCUI) N/A. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

V4GH2U8LH2

CAS Registry Number

20402-55-5

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

13-ETHYL-17-HYDROXY-18,19-DINORPREGN-20-YN-3-ONE, (5.ALPHA.,17.ALPHA.)-(+/-)-

Official standardized name for this substance within the FDA UNII nomenclature system.

InChIKey

C21H30O2

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

BMVIRDJAPBCAPQ-WQGSDSCCSA-N;BMVIRDJAPBCAPQ-HVZDBWIMSA-N

Line notation for describing the chemical structure and connectivity of atoms.

Substance Type

chemical

ISO 11238 classification category (e.g., Chemical, Polymer, Protein).

Ingredient Role

[C@]12([C@]([C@]3([C@]([C@@]4([C@](CC(CC4)=O)(CC3)[H])[H])([H])CC1)[H])(CC[C@]2(C#C)O)[H])CC

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for 13-ethyl-17-hydroxy-18,19-dinorpregn-20-yn-3-one, (5.alpha.,17.alpha.)-(+/-)-. 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.