C10H10ClFO
200.64 g/mol
Pharmaceutical IntermediateWarning
4-Chloro-4'-fluorobutyrophenone
CAS3874-54-2EC223-395-3
Category
Pharmaceutical Intermediate
Compound Class
Halocarbon
Primary Use
Pharmaceutical Intermediate
4-Chloro-4'-fluorobutyrophenone is a chemical compound that serves as a pharmaceutical intermediate in synthetic chemistry. It is structurally characterized by a ketone group linked to a chlorobutyl chain and a fluorophenyl ring.
Pharmaceutical intermediate for synthetic chemistry
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
H227
H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
H341Suspected of causing genetic defects
H401Toxic to aquatic life
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 4-Chloro-4'-fluorobutyrophenone (CAS 3874-54-2) is 2914.79.
HS code (international, 6-digit)
2914.79
EU CN code (8-digit)
2914 79 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-1-(4-fluorophenyl)butan-1-one
InChIKey
HXAOUYGZEOZTJO-UHFFFAOYSA-N
SMILES
C1=CC(=CC=C1C(=O)CCCCl)F
Synonyms (32)
- 4-Chlor-4'-fluor-butyrophenon
- Haloperidol Impurity 21
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