ESTETROL ANHYDROUS
UNII ENB39R14VF

Substance Identification & Data

This profile provides standardized clinical and technical data for Estetrol Anhydrous, uniquely identified by the FDA Unique Ingredient Identifier (UNII) ENB39R14VF.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 15183-37-6 and the RxNorm Concept ID (RxCUI) 2539031. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
ENB39R14VF
CAS Registry Number
15183-37-6
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
ESTETROL ANHYDROUS
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
ENB39R14VF
The specific atomic composition represented as a molecular structure string.
InChIKey
C18H24O4
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
AJIPIJNNOJSSQC-NYLIRDPKSA-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
10439
Sequential identifier assigned via the WHO International Nonproprietary Name program.
USAN ID
FG-207
Identifier assigned by the United States Adopted Names Council.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
[C@]12([C@]([C@]3([C@](c4c(cc(cc4)O)CC3)([H])CC1)[H])([C@H]([C@H]([C@@H]2O)O)O)[H])C

Synonyms and Nomenclature

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

ESTETROL

Common Names & Synonyms

15.ALPHA.-HYDROXYESTRIOL
ESTETROL (ANHYDROUS) [USAN]
ESTETROL (E4)
ESTETROL [INN]
ESTETROL [WHO-DD]
ESTETROL ANHYDROUS

Systematic Nomenclature

ESTRA-1,3,5(10)-TRIENE-3,15,16,17-TETROL, (15.ALPHA.,16.ALPHA.,17.BETA.)-
ESTRA-1,3,5(10)-TRIENE-3,15.ALPHA.,16.ALPHA.,17.BETA.-TETROL

Technical Codes

E4
E-4

NDC Products Containing ESTETROL ANHYDROUS

This unique ingredient identifier is listed as an ingredient or substance in the following products in the NDC directory: