C6H3ClFNO2
175.54 g/mol
Pharmaceutical IntermediateWarning
2-Chloro-3-fluoronitrobenzene
CAS21397-07-9EC244-365-6
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
2-Chloro-3-fluoronitrobenzene is a chemical compound used as a pharmaceutical intermediate in the manufacturing of active pharmaceutical ingredients.
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-Chloro-3-fluoroaniline
CAS21397-08-0
pharmaceutical intermediate
ReferenceSame Category
2'-O-methylguanosine
CAS2140-71-8
pharmaceutical intermediate
ReferenceSame Category
2'-O-methylcytidine
CAS2140-72-9
pharmaceutical intermediate
ReferenceSame Category
2'-O-methyluridine
CAS2140-76-3
pharmaceutical intermediate
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2-Chloro-3-fluoronitrobenzene (CAS 21397-07-9) 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
2-chloro-1-fluoro-3-nitrobenzene
InChIKey
NJZSQTMICFLABM-UHFFFAOYSA-N
SMILES
C1=CC(=C(C(=C1)F)Cl)[N+](=O)[O-]
Synonyms (8)
- 2-Chloro-3-fluoronitrobenzene
- fluoro(chloro)nitrobenzene
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