DIETHYLSTILBESTROL
UNII 731DCA35BT

Substance Identification & Data

This profile provides standardized clinical and technical data for Diethylstilbestrol, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 731DCA35BT.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 56-53-1 and the RxNorm Concept ID (RxCUI) 3390. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

731DCA35BT

CAS Registry Number

56-53-1

RxNorm Concept ID

3390

Detailed Substance Profile

Preferred Name

DIETHYLSTILBESTROL

Official standardized name for this substance within the FDA UNII nomenclature system.

Molecular Formula

731DCA35BT

The specific atomic composition represented as a molecular structure string.

InChIKey

C18H20O2

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

RGLYKWWBQGJZGM-ISLYRVAYSA-N

Line notation for describing the chemical structure and connectivity of atoms.

NCI Thesaurus

C433

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

448537

Unique identification number in the NCBI database of chemical substances.

INN ID

388

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(=C(/c1ccc(cc1)O)\CC)(\c2ccc(cc2)O)/CC

Synonyms and Nomenclature

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