MASILUKAST
UNII 2QJ3R1H23S

Substance Identification & Data

This profile provides standardized clinical and technical data for Masilukast, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 2QJ3R1H23S.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 136564-68-6 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

2QJ3R1H23S

CAS Registry Number

136564-68-6

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

MASILUKAST

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

InChIKey

C31H32F3N3O5S

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

ULMFXAMQUGLVGA-LJQANCHMSA-N

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

NCI Thesaurus

C83906

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

204056

Unique identification number in the NCBI database of chemical substances.

INN ID

8676

Sequential identifier assigned via the WHO International Nonproprietary Name program.

Substance Type

chemical

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

Ingredient Role

n1(cc(c2cc(ccc12)C(=O)NC[C@@H](CC(F)(F)F)C)Cc3c(cc(cc3)C(=O)NS(=O)(=O)c4c(cccc4)C)OC)C

Synonyms and Nomenclature

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