ZAFIRLUKAST
UNII XZ629S5L50

Substance Identification & Data

This profile provides standardized clinical and technical data for Zafirlukast, uniquely identified by the FDA Unique Ingredient Identifier (UNII) XZ629S5L50.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 107753-78-6 and the RxNorm Concept ID (RxCUI) 114970. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

XZ629S5L50

CAS Registry Number

107753-78-6

RxNorm Concept ID

114970

Detailed Substance Profile

Preferred Name

ZAFIRLUKAST

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

Molecular Formula

XZ629S5L50

The specific atomic composition represented as a molecular structure string.

InChIKey

C31H33N3O6S

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

YEEZWCHGZNKEEK-UHFFFAOYSA-N

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

NCI Thesaurus

C47785

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

5717

Unique identification number in the NCBI database of chemical substances.

INN ID

7244

Sequential identifier assigned via the WHO International Nonproprietary Name program.

USAN ID

GG-93

Identifier assigned by the United States Adopted Names Council.

Substance Type

chemical

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

Ingredient Role

S(NC(c1cc(OC)c(Cc2c3c(ccc(NC(OC4CCCC4)=O)c3)n(c2)C)cc1)=O)(c5c(C)cccc5)(=O)=O

Synonyms and Nomenclature

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