C6H8N2O3S
188.21 g/mol
Pharmaceutical IntermediateWarning
2-Aminophenol-4-sulfonamide
CAS98-32-8EC202-657-0
Category
Pharmaceutical Intermediate
Compound Class
Amine
Primary Use
Pharmaceutical Intermediate
2-Aminophenol-4-sulfonamide is a chemical compound featuring both an amine and a sulfonamide group on an aromatic ring. It is described as a pharmaceutical intermediate and is primarily used in the manufacturing of active pharmaceutical ingredients.
pharmaceutical intermediateraw material for chemical synthesis
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
SimilarStructure SimilarSimilarity 0.76
3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone
CAS7545-50-8
pharmaceutical intermediate
SimilarStructure SimilarSimilarity 0.73
3-amino-4-hydroxybenzenesulfonic acid
CAS98-37-3
Dye intermediate
ReferenceSame Category
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CAS98-46-4
pharmaceutical intermediate
ReferenceSame Category
P-toluenesulfonyl chloride
CAS98-59-9
pharmaceutical intermediate
ReferenceSame Category
Cyclohexanecarboxylic acid
CAS98-89-5
pharmaceutical intermediate
ReferenceSame Category
Nitrobenzene
CAS98-95-3
pharmaceutical intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2-Aminophenol-4-sulfonamide (CAS 98-32-8) 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
3-amino-4-hydroxybenzenesulfonamide
InChIKey
AVQFHKYAVVQYQO-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1S(=O)(=O)N)N)O
Synonyms (15)
- 2-AMINO-4-SULFAMOYLPHENOL
- 2-Aminophenol-4-sulfonamide
- 4-Hydroxymetanilamide
- Aminophenol sulfamide
- Metanilamide, 4-hydroxy-
- o-Aminophenol-p-sulfonamide
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