ENTECAVIR 3-EPIMER
UNII FD1LY3K97F

Substance Identification & Data

This profile provides standardized clinical and technical data for Entecavir 3-epimer, uniquely identified by the FDA Unique Ingredient Identifier (UNII) FD1LY3K97F.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 1367369-77-4 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
FD1LY3K97F
CAS Registry Number
1367369-77-4
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
ENTECAVIR 3-EPIMER
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C12H15N5O3
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
QDGZDCVAUDNJFG-CSMHCCOUSA-N
Line notation for describing the chemical structure and connectivity of atoms.
PubChem CID
Unique identification number in the NCBI database of chemical substances.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
n1(cnc2c([nH]c(nc12)N)=O)[C@@H]3C([C@H]([C@H](C3)O)CO)=C

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Entecavir 3-epimer. 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.

Common Names & Synonyms

ENTECAVIR 3-EPIMER
ENTECAVIR 3-EPIMER [USP IMPURITY]
ENTECAVIR MONOHYDRATE IMPURITY B [EP IMPURITY]

Systematic Nomenclature

2-AMINO-1,9-DIHYDRO-9-((1S,3S,4S)-4-HYDROXY-3-(HYDROXYMETHYL)-2-METHYLENECYCLOPENTYL)-6H-PURIN-6-ONE
6H-PURIN-6-ONE, 2-AMINO-1,9-DIHYDRO-9-((1S,3S,4S)-4-HYDROXY-3-(HYDROXYMETHYL)-2-METHYLENECYCLOPENTYL)-
9-((1S,3S,4S)-4-HYDROXY-3-(HYDROXYMETHYL)-2-METHYLENECYCLOPENTYL)GUANINE