EFEPRISTIN
UNII 69RU1K50ZP

Substance Identification & Data

This profile provides standardized clinical and technical data for Efepristin, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 69RU1K50ZP.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 57206-54-9 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

69RU1K50ZP

CAS Registry Number

57206-54-9

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

EFEPRISTIN

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

InChIKey

C44H52N8O10

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

PCOXSOQWQVRJCH-RIECGXCRSA-N

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

NCI Thesaurus

C166920

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

5748661

Unique identification number in the NCBI database of chemical substances.

INN ID

7472

Sequential identifier assigned via the WHO International Nonproprietary Name program.

Substance Type

chemical

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

Ingredient Role

CC[C@H]1NC(=O)[C@@H](NC(=O)c2ncccc2O)[C@@H](C)OC(=O)[C@@H](NC(=O)[C@@H]3CC(=O)CCN3C(=O)[C@H](Cc4ccc(NC)cc4)N(C)C(=O)[C@@H]5CCCN5C1=O)c6ccccc6

Synonyms and Nomenclature

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

EFEPRISTIN

Common Names & Synonyms

EFEPRISTIN [INN]

OSTREOGRYCIN B2

PRISTINAMYCIN IB

VERNAMYCIN B.BETA.

VERNAMYCIN B.BETA. [MI]

Systematic Nomenclature

N-((3-HYDROXY-2-PYRIDINYL)CARBONYL)-L-THREONYL-D-.ALPHA.-AMINOBUTYRYL-L-PROLYL-N-METHYL-4-(METHYLAMINO)-L-PHENYLALANYL-4-OXO-L-PIPECOLOYL-L-2-PHENYLGLYCINE .RHO.-LACTONE

SYS

VIRGINIAMYCIN S1, 4-(N-METHYL-4-(METHYLAMINO)-L-PHENYLALANINE)-

SYS