C6H5ClN2O4S
236.63 g/mol
Dye & PigmentWarning
4-CHLORO-3-NITROBENZENESULFONAMIDE
CAS97-09-6EC202-559-8
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
Chemical intermediate for azo dyes
4-Chloro-3-nitrobenzenesulfonamide is a chemical compound used primarily as an intermediate in the production of azo dyes.
Chemical intermediate for azo dyes
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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Chemical intermediate for azo dyes
ReferenceSame Category
Fast Red ITR
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Azoic diazo component for dyeing
ReferenceSame Category
N-(2,4-dimethylphenyl)-3-oxobutanamide
CAS97-36-9
Pigment intermediate
ReferenceSame Category
2-methoxy-4-nitroaniline
CAS97-52-9
Intermediate for azo dye production
ReferenceSame Category
Benzotrichloride
CAS98-07-7
dyestuff intermediate
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-NITROBENZENESULFONAMIDE (CAS 97-09-6) 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-nitrobenzenesulfonamide
InChIKey
SPZGXONNVLTQDE-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1S(=O)(=O)N)[N+](=O)[O-])Cl
Synonyms (8)
- Venetoclax Impurity 85
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