ESTRONE, (+/-)-
UNII X9XKA379T9

Substance Identification & Data

This profile provides standardized clinical and technical data for Estrone, (+/-)-, uniquely identified by the FDA Unique Ingredient Identifier (UNII) X9XKA379T9.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 19973-76-3 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

X9XKA379T9

CAS Registry Number

19973-76-3

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

ESTRONE, (+/-)-

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

InChIKey

C18H22O2

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

DNXHEGUUPJUMQT-CBZIJGRNSA-N;DNXHEGUUPJUMQT-LISAXSMJSA-N

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

Substance Type

chemical

ISO 11238 classification category (e.g., Chemical, Polymer, Protein).

Ingredient Role

[C@]12([C@]([C@]3([C@@](c4c(CC3)cc(cc4)O)(CC1)[H])[H])(CCC2=O)[H])C

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Estrone, (+/-)-. 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.