4-TOLUENESULFONIC ACID
UNII QGV5ZG5741

Substance Identification & Data

This profile provides standardized clinical and technical data for 4-toluenesulfonic Acid, uniquely identified by the FDA Unique Ingredient Identifier (UNII) QGV5ZG5741.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 104-15-4 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
QGV5ZG5741
CAS Registry Number
104-15-4
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
4-TOLUENESULFONIC ACID
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C7H8O3S
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
JOXIMZWYDAKGHI-UHFFFAOYSA-N
Line notation for describing the chemical structure and connectivity of atoms.
PubChem CID
Unique identification number in the NCBI database of chemical substances.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
Cc1ccc(cc1)S(=O)(=O)O

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for 4-toluenesulfonic 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.

FDA Official Name

TOLUENE SULFONIC ACID

Common Names & Synonyms

ACTIVATOR-100T3
AD-3302W
ANASTROZOLE IMPURITY F [EP IMPURITY]
BENZENESULFONIC ACID, 4-METHYL-
C-250
CYZAC-4040
DRYER-900
KC-1040
LISINOPRIL IMPURITY B [EP IMPURITY]
NACURE-1040
P-TOLUENESULFONIC ACID
P-TOLUENESULFONIC ACID [EP IMPURITY]
P-TOLUENESULFONIC ACID [MI]
PTS-100
SULTAMICILLIN IMPURITY B [EP IMPURITY]
TAYCATOX-300
TIZANIDINE HYDROCHLORIDE IMPURITY I [EP IMPURITY]
TOSIC ACID
TSA-95

Brand / Trade Names

ELTESOL TSX

Systematic Nomenclature

4-METHYLBENZENESULFONIC ACID
4-TOLUENESULFONIC ACID
METHYLBENZENESULFONIC ACID
TOLUENE-4-SULPHONIC ACID
TOLUENESULFONIC ACID

Technical Codes

NSC-167068
NSC-2167