2-SULFOBENZOIC ANHYDRIDE
UNII 0SWH68IQ5W

Substance Identification & Data

This profile provides standardized clinical and technical data for 2-sulfobenzoic Anhydride, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 0SWH68IQ5W.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 81-08-3 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
0SWH68IQ5W
CAS Registry Number
81-08-3
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
2-SULFOBENZOIC ANHYDRIDE
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C7H4O4S
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
NCYNKWQXFADUOZ-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
S1(OC(c2c1cccc2)=O)(=O)=O

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for 2-sulfobenzoic Anhydride. 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.

Common Names & Synonyms

O-SULFOBENZOIC ACID ANHYDRIDE
O-SULFOBENZOIC ACID, CYCLIC ANHYDRIDE
O-SULFOBENZOIC ANHYDRIDE

Systematic Nomenclature

2-SULFOBENZOIC ACID CYCLIC ANHYDRIDE
2-SULFOBENZOIC ACID CYCLOANHYDRIDE
2-SULFOBENZOIC ANHYDRIDE
3H-2,1-BENZOXATHIOL-3-ONE 1,1-DIOXIDE
BENZOIC ACID, 2-SULFO-, CYCLIC ANHYDRIDE
BENZOIC ACID, O-SULFO-, CYCLIC ANHYDRIDE

Technical Codes

NSC-11208
NSC-49162