C6H5ClFN
145.56 g/mol
Pharmaceutical IntermediateDanger
4-Chloro-2-fluoroaniline
CAS57946-56-2EC261-034-1
Category
Pharmaceutical Intermediate
Compound Class
Amine
Primary Use
Pharmaceutical Intermediate
4-Chloro-2-fluoroaniline is an aromatic amine compound containing both chlorine and fluorine substituents on the benzene ring. It is used primarily as a pharmaceutical intermediate in the synthesis of active pharmaceutical ingredients.
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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Related Compounds
ReferenceSame Category
2-bromo-4-(trifluoromethyl)aniline
CAS57946-63-1
pharmaceutical intermediate
ReferenceSame Category
4-(4-bromophenyl)piperidin-4-ol
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pharmaceutical intermediate
ReferenceSame Category
Menadione
CAS58-27-5
pharmaceutical intermediate
ReferenceSame Category
Uridine
CAS58-96-8
pharmaceutical intermediate
Safety Reference
Danger
H302Harmful if swallowed
H311Toxic in contact with skin
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
H373May cause damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for 4-Chloro-2-fluoroaniline (CAS 57946-56-2) is 2921.42.
HS code (international, 6-digit)
2921.42
EU CN code (8-digit)
2921 42 00
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-2-fluoroaniline
InChIKey
CSFDTBRRIBJILD-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1Cl)F)N
Synonyms (6)
- 2-fluoro-4-chloroaniline
- 4-Chloro-2-fluoro-phenylamine
- 4-Chloro-2-fluoroaniline
- 4-chloro-2-fluorobenzenamine
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