ISOLEUCINE
UNII 04Y7590D77

Substance Identification & Data

This profile provides standardized clinical and technical data for Isoleucine, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 04Y7590D77.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 73-32-5 and the RxNorm Concept ID (RxCUI) 6033. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
04Y7590D77
CAS Registry Number
73-32-5
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
ISOLEUCINE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
04Y7590D77
The specific atomic composition represented as a molecular structure string.
InChIKey
C6H13NO2
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
AGPKZVBTJJNPAG-WHFBIAKZSA-N
Line notation for describing the chemical structure and connectivity of atoms.
NCI Thesaurus
National Cancer Institute reference terminology for clinical and research data.
PubChem CID
Unique identification number in the NCBI database of chemical substances.
INN ID
6164
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@@H](N)[C@H](CC)C)(=O)O

Synonyms and Nomenclature

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

ISOLEUCINE

Common Names & Synonyms

ISOLEUCINE [EP MONOGRAPH]
ISOLEUCINE [HSDB]
ISOLEUCINE [II]
ISOLEUCINE [INN]
ISOLEUCINE [MART.]
ISOLEUCINE [MI]
ISOLEUCINE [USAN]
ISOLEUCINE [USP MONOGRAPH]
ISOLEUCINE [VANDF]
ISOLEUCINE [WHO-DD]
LEUCINE IMPURITY A [EP IMPURITY]
L-ISOLEUCINE [FCC]
L-ISOLEUCINE [JAN]
L-ISOLEUCINE [USP-RS]
VALINE IMPURITY B [EP IMPURITY]

Systematic Nomenclature

(2S,3S)-2-AMINO-3-METHYLPENTANOIC ACID
(S-(R*,R*))-2-AMINO-3-METHYLPENTANOIC ACID
ISOLEUCINE, L-
L-ISOLEUCINE

Technical Codes

FEMA NO. 4675
ILE
NSC-46708

NDC Products Containing ISOLEUCINE

This unique ingredient identifier is listed as an ingredient or substance in the following products in the NDC directory: