C13H9ClO
216.66 g/mol
Pharmaceutical IntermediateWarning
4-CHLOROBENZOPHENONE
CAS134-85-0EC205-160-7
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
4-Chlorobenzophenone is an organic compound used as a pharmaceutical intermediate. It is a substituted benzophenone that can serve as a starting material in the synthesis of certain benzodiazepine compounds.
pharmaceutical intermediatestarting material for benzodiazepine 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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Related Compounds
SimilarStructure SimilarSimilarity 0.80
4,4'-dichlorobenzophenone
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chemical intermediate
ReferenceSame Category
3-(S)-(+)-(1-Carbamoyl-1,1-diphenylmethyl)pyrroloidine-L-(+)-tartarate
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pharmaceutical intermediate
ReferenceSame Category
1-propylazetidin-3-ol
CAS1340301-52-1
pharmaceutical intermediate
ReferenceSame Category
2-(2,4-dichlorophenyl)-2-(1H-imidazol-1-ylmethyl)-1,3-dioxolan-4-yl)methyl 4-methylbenzenesulfonate
CAS134071-44-6
pharmaceutical intermediate
ReferenceSame Category
Diethyl aminomalonate hydrochloride
CAS13433-00-6
pharmaceutical intermediate
Safety Reference
Warning
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 4-CHLOROBENZOPHENONE (CAS 134-85-0) 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-chlorophenyl)-phenylmethanone
InChIKey
UGVRJVHOJNYEHR-UHFFFAOYSA-N
SMILES
C1=CC=C(C=C1)C(=O)C2=CC=C(C=C2)Cl
Synonyms (23)
- 4-CBP
- 4-CHLOROBENZOPHENONE (USP-RS)
- 4-Chlorobenzophenone, United States Pharmacopeia (USP)
- Cetirizine 4-Chlorobenzophenone Impurity (Usp); Meclozine EP Impurity C
- MECLOZINE DIHYDROCHLORIDE IMPURITY C (EP IMPURITY)
- Meclozine Hydrochloride Imp. C (EP); Meclozine Imp. C (EP); 4-Chlorobenzophenone; (4-Chlorophenyl)phenylmethanone; Meclozine Dihydrochloride Impurity C; Meclozine Impurity C
- 4-Benzoylphenyl chloride
- 4-CHLOROBENZOPHENONE
- 4-chlorophenyl phenyl ketone
- AH-034/32828041
- Benzophenone, 4-chloro-
- Benzophenone, 4-chloro-(8CI)
- CLEMASTINE (M2)
- PHENYL 4-CHLOROPHENYL KETONE
- p-CBP
- p-Chlorobenzophenone
- p-Chlorophenyl phenyl ketone
- para-Chlorobenzophenone
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