PREGNENOLONE
UNII 73R90F7MQ8

Substance Identification & Data

This profile provides standardized clinical and technical data for Pregnenolone, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 73R90F7MQ8.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 145-13-1 and the RxNorm Concept ID (RxCUI) 114052. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

73R90F7MQ8

CAS Registry Number

145-13-1

RxNorm Concept ID

114052

Detailed Substance Profile

Preferred Name

PREGNENOLONE

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

Molecular Formula

73R90F7MQ8

The specific atomic composition represented as a molecular structure string.

InChIKey

C21H32O2

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

ORNBQBCIOKFOEO-QGVNFLHTSA-N

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

NCI Thesaurus

C82315

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

8955

Unique identification number in the NCBI database of chemical substances.

INN ID

4178

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(CC=C4[C@@]([C@]3(CC1)[H])(CC[C@H](O)C4)C)[H])(CC[C@@H]2C(=O)C)[H])C

Synonyms and Nomenclature

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