13.BETA.-ETHYLGON-4-EN-3,17-DIONE
UNII IH07J8F03F

Substance Identification & Data

This profile provides standardized clinical and technical data for 13.beta.-ethylgon-4-en-3,17-dione, uniquely identified by the FDA Unique Ingredient Identifier (UNII) IH07J8F03F.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 21800-83-9 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
IH07J8F03F
CAS Registry Number
21800-83-9
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
13.BETA.-ETHYLGON-4-EN-3,17-DIONE
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C19H26O2
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
SBLHOJQRZNGHLQ-ATIFRJIPSA-N
Line notation for describing the chemical structure and connectivity of atoms.
PubChem CID
Unique identification number in the NCBI database of chemical substances.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
C1(CC[C@@]2([C@]3(CC[C@@]4(C(CC[C@]4([C@@]3(CCC2=C1)[H])[H])=O)CC)[H])[H])=O

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for 13.beta.-ethylgon-4-en-3,17-dione. 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.

Common Names & Synonyms

13.BETA.-ETHYLGON-4-EN-3,17-DIONE
LEVODIONE
LEVODIONE [EP IMPURITY]
LEVONORGESTREL IMPURITY [EP IMPURITY]
NORGESTREL RELATED COMPOUND L [USP-RS]

Systematic Nomenclature

(+)-13.BETA.-ETHYLGON-4-ENE-3,17-DIONE
13-ETHYLGON-4-ENE-3,17-DIONE
18-METHYL-19-NORANDROST-4-ENE-3,17-DIONE
18-METHYLESTR-4-ENE-3,17-DIONE
GON-4-ENE-3,17-DIONE, 13-ETHYL-