C7H5Cl2NO4S
270.09 g/mol
Pharmaceutical IntermediateDanger
2,4-Dichloro-5-sulfamoylbenzoic acid
CAS2736-23-4EC220-358-3
Category
Pharmaceutical Intermediate
Compound Class
Organic Acid
Primary Use
Pharmaceutical Intermediate
2,4-Dichloro-5-sulfamoylbenzoic acid is a chemical compound used as a pharmaceutical intermediate. It is primarily utilized in the manufacturing of furosemide, a diuretic medication.
Pharmaceutical intermediate for furosemide manufacturing
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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Safety Reference
Danger
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2,4-Dichloro-5-sulfamoylbenzoic acid (CAS 2736-23-4) 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
2,4-dichloro-5-sulfamoylbenzoic acid
InChIKey
ZSHHRBYVHTVRFK-UHFFFAOYSA-N
SMILES
C1=C(C(=CC(=C1S(=O)(=O)N)Cl)Cl)C(=O)O
Synonyms (13)
- Furosemide EP impurity B
- Furosemide Imp. B (EP); 2,4-Dichloro-5-sulphamoylbenzoic Acid; Furosemide Impurity B
- FUROSEMIDE IMPURITY B
- Lasamide
- LeadQuest Compound 9
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