MELENGESTROL
UNII BX98J4T6JU

Substance Identification & Data

This profile provides standardized clinical and technical data for Melengestrol, uniquely identified by the FDA Unique Ingredient Identifier (UNII) BX98J4T6JU.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 5633-18-1 and the RxNorm Concept ID (RxCUI) 1537799. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
BX98J4T6JU
CAS Registry Number
5633-18-1
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
MELENGESTROL
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
BX98J4T6JU
The specific atomic composition represented as a molecular structure string.
InChIKey
C23H30O3
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
OKHAOBQKCCIRLO-IBVJIVQJSA-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
1528
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@]3([C@@]([C@](C(C)=O)(O)C(C3)=C)(CC[C@@]1([C@@]4(C(=CC(=O)CC4)C(=C2)C)C)[H])C)[H])[H]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Melengestrol. 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

MELENGESTROL

Common Names & Synonyms

MELENGESTEROL
MELENGESTREL
MELENGESTROL [INN]

Systematic Nomenclature

17-HYDROXY-6-METHYL-16-METHYLENEPREGNA-4,6-DIENE-3,20-DIONE
PREGNA-4,6-DIENE-3,20-DIONE, 17-HYDROXY-6-METHYL-16-METHYLENE-

Technical Codes

BDH-1921