SULFASALAZINE 3-ISOMER
UNII 657BS640RM

Substance Identification & Data

This profile provides standardized clinical and technical data for Sulfasalazine 3-isomer, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 657BS640RM.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 66364-71-4 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

657BS640RM

CAS Registry Number

66364-71-4

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

SULFASALAZINE 3-ISOMER

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

InChIKey

C18H14N4O5S

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

RQKGJJSJEOATBZ-QZQOTICOSA-N

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

Substance Type

chemical

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

Ingredient Role

C(O)(=O)c1cccc(/N=N/c2ccc(S(Nc3ncccc3)(=O)=O)cc2)c1O

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Sulfasalazine 3-isomer. 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.