PHENOLSULFONIC ACID
UNII L74LRO149A

Substance Identification & Data

This profile provides standardized clinical and technical data for Phenolsulfonic Acid, uniquely identified by the FDA Unique Ingredient Identifier (UNII) L74LRO149A.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 98-67-9 and the RxNorm Concept ID (RxCUI) 1651701. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

L74LRO149A

CAS Registry Number

98-67-9

RxNorm Concept ID

1651701

Detailed Substance Profile

Preferred Name

PHENOLSULFONIC ACID

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

Molecular Formula

L74LRO149A

The specific atomic composition represented as a molecular structure string.

InChIKey

C6H6O4S

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

FEPBITJSIHRMRT-UHFFFAOYSA-N

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

PubChem CID

4765

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

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

Ingredient Role

S(c1ccc(cc1)O)(=O)(=O)O

Synonyms and Nomenclature

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