20,21-DEHYDRO SPIRONOLACTONE
UNII NE78JL28MG

Substance Identification & Data

This profile provides standardized clinical and technical data for 20,21-dehydro Spironolactone, uniquely identified by the FDA Unique Ingredient Identifier (UNII) NE78JL28MG.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 132458-33-4 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
NE78JL28MG
CAS Registry Number
132458-33-4
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
20,21-DEHYDRO SPIRONOLACTONE
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C24H30O4S
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
KCWOLKZQDUPWRC-ZHYRCANASA-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
C1C(C=C2[C@](C1)([C@@]3([C@@]([C@@H](C2)SC(=O)C)([C@]4([C@](CC3)([C@]5(CC4)OC(C=C5)=O)C)[H])[H])[H])C)=O

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for 20,21-dehydro Spironolactone. 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

.DELTA.20-SPIRONOLACTONE
20,21-DEHYDRO SPIRONOLACTONE
SPIRONOLACTONE IMPURITY A [EP IMPURITY]
SPIRONOLACTONE RELATED COMPOUND B [USP-RS]

Systematic Nomenclature

(2R)-3,4-DIHYDRO-5H-SPIRO(ANDROST-4,6-DIENE-17,2-FURAN)-3,5-DIONE.
(2'R)-7.ALPHA.-(ACETYLTHIO)-5'H-SPIRO(ANDROST-4-ENE-17,2'-FURAN)-3,5'-DIONE
PREGNA-4,20-DIENE-21-CARBOXYLIC ACID, 7-(ACETYLTHIO)-17-HYDROXY-3-OXO-, .GAMMA.-LACTONE, (7.ALPHA.,17.ALPHA.)-
S-((2R)-3,5-DIOXO-5H-SPIRO(ANDROST-4-ENE-17,2-FURAN)-7.ALPHA.-YL) ETHANETHIOATE