C6H4ClI
238.45 g/mol
OtherWarning
1-Chloro-4-iodobenzene
CAS637-87-6EC211-305-5
Category
Other
Compound Class
n.a
Primary Use
pharmaceutical intermediate
1-Chloro-4-iodobenzene is a halogenated aromatic compound consisting of a benzene ring substituted with chlorine and iodine atoms. It is commonly used as an intermediate in organic synthesis and pharmaceutical manufacturing.
intermediate in organic synthesispharmaceutical 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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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 1-Chloro-4-iodobenzene (CAS 637-87-6) 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-4-iodobenzene
InChIKey
GWQSENYKCGJTRI-UHFFFAOYSA-N
SMILES
C1=CC(=CC=C1Cl)I
Synonyms (14)
- 1-Chloro-4-iodobenzene
- 1-iodo-4-chlorobenzene
- 4-Chloro-1-iodo-benzene
- 4-chlorophenyl iodide
- 4Iodochlorobenzene
- 4chloroiodobenzene
- Benzene, 1-chloro-4-iodo-
- l-chloro-4-iodobenzene
- p-Chlorjodbenzol
- p-iodophenyl chloride
- pChloroiodobenzene
- pIodochlorobenzene
- para-chloro iodo-benzene
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