C6H4ClF
130.55 g/mol
Pharmaceutical IntermediateWarning
1-CHLORO-2-FLUOROBENZENE
CAS348-51-6EC206-476-8
Category
Pharmaceutical Intermediate
Compound Class
Halocarbon
Primary Use
Pharmaceutical Intermediate
1-Chloro-2-fluorobenzene is a halogenated aromatic compound used as a pharmaceutical intermediate. It serves as a building block in the synthesis of heterocyclic compounds for pharmaceutical manufacturing.
Pharmaceutical intermediate for heterocyclic 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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Safety Reference
Warning
H226Flammable liquid and vapour
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 1-CHLORO-2-FLUOROBENZENE (CAS 348-51-6) is 2903.99.
HS code (international, 6-digit)
2903.99
EU CN code (8-digit)
2903 99 80
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
1-chloro-2-fluorobenzene
InChIKey
ZCJAYDKWZAWMPR-UHFFFAOYSA-N
SMILES
C1=CC=C(C(=C1)F)Cl
Synonyms (9)
- 1-CHLORO-2-FLUOROBENZENE
- 1-Fluoro-2-chlorobenzene
- 2-Chlorofluorobenzene
- 2-FLUOROCHLOROBENZENE
- Benzene, 1-chloro-2-fluoro-
- Benzene, chlorofluoro-
- o-Chlorofluorobenzene
- o-Fluorochlorobenzene
- ortho-chlorofluorobenzene
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