C7H3F2N
139.1 g/mol
Pharmaceutical IntermediateWarning
3,4-Difluorobenzonitrile
CAS64248-62-0EC264-751-8
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
3,4-Difluorobenzonitrile is a chemical compound used as a pharmaceutical intermediate in the synthesis of drug candidates. It is structurally characterized by a benzene ring bearing two fluorine atoms and a nitrile group.
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
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 3,4-Difluorobenzonitrile (CAS 64248-62-0) is 2926.90.
HS code (international, 6-digit)
2926.90
EU CN code (8-digit)
2926 90 70
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
3,4-difluorobenzonitrile
InChIKey
BTBFCBQZFMQBNT-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1C#N)F)F
Synonyms (5)
- 3,4-Difluorobenzonitrile
- 4-Cyano-1,2-difluorobenzene
- 4-fluoro-3-fluorobenzonitrile
- Benzonitrile, 3,4-difluoro-
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