C7H6ClNO4S
235.65 g/mol
Pharmaceutical IntermediateWarning
4-Chloro-3-sulfamoylbenzoic acid
CAS1205-30-7EC214-882-1
Category
Pharmaceutical Intermediate
Compound Class
Organic Acid
Primary Use
Pharmaceutical Intermediate
4-Chloro-3-sulfamoylbenzoic acid is a chemical compound used as a pharmaceutical intermediate in the manufacturing of furosemide, a loop diuretic medication. It contains a carboxylic acid group, an aromatic ring, and a chlorine atom in its structure.
pharmaceutical intermediate for furosemide
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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ReferenceSame Category
2,2'-[5-(Chloromethyl)-1,3-phenylene]bis(2-methylpropanenitrile)
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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 4-Chloro-3-sulfamoylbenzoic acid (CAS 1205-30-7) is 2935.90.
HS code (international, 6-digit)
2935.90
EU CN code (8-digit)
2935 90 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
4-chloro-3-sulfamoylbenzoic acid
InChIKey
FHQAWINGVCDTTG-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1C(=O)O)S(=O)(=O)N)Cl
Synonyms (14)
- CSBA
- Clopamide EP Impurity C; Pantoprazole Impurity C
- Indapamide Impurity 3
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