L-CYSTEIC ACID PHENYLTHIOHYDANTOIN
UNII YQG4XB6WXF

Substance Identification & Data

This profile provides standardized clinical and technical data for L-cysteic Acid Phenylthiohydantoin, uniquely identified by the FDA Unique Ingredient Identifier (UNII) YQG4XB6WXF.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 89588-09-0 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

YQG4XB6WXF

CAS Registry Number

89588-09-0

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

L-CYSTEIC ACID PHENYLTHIOHYDANTOIN

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

InChIKey

C10H10N2O4S2

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

MQYYMDOMIUCPDK-MRVPVSSYSA-N

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

PubChem CID

14150768

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

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

Ingredient Role

c1ccc(cc1)N2C(=O)[C@@H](CS(=O)(=O)O)NC2=S

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for L-cysteic Acid Phenylthiohydantoin. 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.