ESTRADIOL BENZOATE
UNII 1S4CJB5ZGN

Substance Identification & Data

This profile provides standardized clinical and technical data for Estradiol Benzoate, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 1S4CJB5ZGN.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 50-50-0 and the RxNorm Concept ID (RxCUI) 60661. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
1S4CJB5ZGN
CAS Registry Number
50-50-0
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
ESTRADIOL BENZOATE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
1S4CJB5ZGN
The specific atomic composition represented as a molecular structure string.
InChIKey
C25H28O3
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
UYIFTLBWAOGQBI-BZDYCCQFSA-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
405
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@]([C@@]3(CCc4c([C@]3(CC1)[H])ccc(OC(=O)c5ccccc5)c4)[H])(CC[C@@H]2O)[H])C

Synonyms and Nomenclature

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

ESTRADIOL BENZOATE

Common Names & Synonyms

ESTRADIOL 3-BENZOATE
ESTRADIOL 3-BENZOATE [MI]
ESTRADIOL BENZOATE [EP MONOGRAPH]
ESTRADIOL BENZOATE [GREEN BOOK]
ESTRADIOL BENZOATE [INN]
ESTRADIOL BENZOATE [JAN]
ESTRADIOL BENZOATE [MART.]
ESTRADIOL BENZOATE [USP IMPURITY]
ESTRADIOL BENZOATE [USP MONOGRAPH]
ESTRADIOL BENZOATE [USP-RS]
ESTRADIOL BENZOATE [WHO-DD]
OESTRADIOL BENZOATE

Technical Codes

NSC-9566

NDC Products Containing ESTRADIOL BENZOATE

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