20-METHYLIDENE-3-OXOPREGN-4-EN-21-AL
UNII 9EJ5544HCH

Substance Identification & Data

This profile provides standardized clinical and technical data for 20-methylidene-3-oxopregn-4-en-21-al, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 9EJ5544HCH.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 2257421-80-8 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
9EJ5544HCH
CAS Registry Number
2257421-80-8
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
20-METHYLIDENE-3-OXOPREGN-4-EN-21-AL
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C22H30O2
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
JJEGUVZRFNHEHU-GFJXEVPCSA-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
C[C@@]12[C@]([C@]3([C@](CC1)([C@]4(C)C(CC3)=CC(CC4)=O)[H])[H])(CC[C@@H]2C(C=O)=C)[H]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for 20-methylidene-3-oxopregn-4-en-21-al. 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

PROGESTERONE IMPURITY L [EP IMPURITY]

Systematic Nomenclature

20-METHYLIDENE-3-OXOPREGN-4-EN-21-AL
PREGNA-4,20-DIENE-20-CARBOXALDEHYDE, 3-OXO-