C6H3ClFNO2
175.54 g/mol
Pharmaceutical IntermediateDanger
2-Chloro-5-fluoronitrobenzene
CAS345-17-5EC206-456-9
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
2-Chloro-5-fluoronitrobenzene is a chemical compound used as a pharmaceutical intermediate. It features an aromatic ring substituted with chlorine, fluorine, and a nitro group.
Pharmaceutical 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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Related Compounds
ReferenceSame Category
2-Fluorobenzyl chloride
CAS345-35-7
pharmaceutical intermediate
ReferenceSame Category
4-Fluorobenzophenone
CAS345-83-5
pharmaceutical intermediate
ReferenceSame Category
3-Amino-2-chloro-5-methylpyridine
CAS34552-13-1
pharmaceutical intermediate
ReferenceSame Category
2-Chloro-3-fluoro-5-picoline
CAS34552-15-3
pharmaceutical intermediate
Safety Reference
Danger
H301Toxic if swallowed
H302Harmful if swallowed
H311Toxic in contact with skin
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
H373May cause damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for 2-Chloro-5-fluoronitrobenzene (CAS 345-17-5) is 2904.99.
HS code (international, 6-digit)
2904.99
EU CN code (8-digit)
2904 99 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
1-chloro-4-fluoro-2-nitrobenzene
InChIKey
DVXDJQKEEKXJBW-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1F)[N+](=O)[O-])Cl
Synonyms (7)
- 1-Chloro-4-fluoronitrobenzene
- 2-Chloro-5-fluoronitrobenzene
- 2-chloro-5-fiuoronitrobenzene
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