4-HYDROXYMETANILIC ACID
UNII 4WE7CX7RD5

Substance Identification & Data

This profile provides standardized clinical and technical data for 4-hydroxymetanilic Acid, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 4WE7CX7RD5.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 98-37-3 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
4WE7CX7RD5
CAS Registry Number
98-37-3
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
4-HYDROXYMETANILIC ACID
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C6H7NO4S
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
ULUIMLJNTCECJU-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
S(c1cc(c(O)cc1)N)(O)(=O)=O

Synonyms and Nomenclature

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

Systematic Nomenclature

1-AMINO-2-HYDROXY-5-BENZENESULFONIC ACID
1-HYDROXY-2-AMINOBENZENE-4-SULFONIC ACID
1-PHENOL-4-SULFONIC ACID, 2-AMINO
2-AMINO-1-PHENOL-4-SULFONIC ACID
2-AMINO-1-PHENOL-4-SULPHONIC ACID
2-AMINO-4-SULFOPHENOL
2-AMINOPHENOL-4-SULFONIC ACID
2-HYDROXY-5-SULFOANILINE
3-AMINO-4-HYDROXYBENZENESULFONIC ACID
3-AMINO-4-HYDROXYBENZENESULPHONIC ACID
4-HYDROXY-3-AMINOBENZENESULFONIC ACID
4-HYDROXYMETANILIC ACID
AMINO-1-PHENOL-4-SULFONIC ACID, 2-
BENZENESULFONIC ACID, 3-AMINO-4-HYDROXY-
BENZENESULPHONIC ACID, 3-AMINO-4-HYDROXY-
METANILIC ACID, 4-HYDROXY-
O-AMINOPHENOL-P-SULFONIC ACID

Technical Codes

AI3-14898
NSC-1491