C8H7ClO4S
234.66 g/mol
Pharmaceutical IntermediateDanger
2-Chloro-4-(methylsulfonyl)benzoic acid
CAS53250-83-2EC406-520-8
Category
Pharmaceutical Intermediate
Compound Class
Organic Acid
Primary Use
Pharmaceutical Intermediate
2-Chloro-4-(methylsulfonyl)benzoic acid is a chemical compound used as a pharmaceutical intermediate. It contains a carboxylic acid group and a chlorine-substituted aromatic ring with a methylsulfonyl substituent.
pharmaceutical intermediate
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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(2R)-2-Amino-4-({[(2S,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-3,4-dihydroxyoxolan-2-yl]methyl}sulfanyl)butanoic acid (non-preferred name)
CAS53276-26-9
pharmaceutical intermediate
Safety Reference
Danger
H318Causes serious eye damage
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2-Chloro-4-(methylsulfonyl)benzoic acid (CAS 53250-83-2) is 2930.90.
HS code (international, 6-digit)
2930.90
EU CN code (8-digit)
2930 90 95
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-chloro-4-methylsulfonylbenzoic acid
InChIKey
CTTWSFIIFMWHLQ-UHFFFAOYSA-N
SMILES
CS(=O)(=O)C1=CC(=C(C=C1)C(=O)O)Cl
Synonyms (8)
- Vismodegib Impurity 31
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