C5H3Cl2N
147.99 g/mol
Industrial ChemicalWarning
2,3-DICHLOROPYRIDINE
CAS2402-77-9EC219-281-8
Category
Industrial Chemical
Compound Class
Heterocycle
Primary Use
Chemical intermediate for synthesis
2,3-Dichloropyridine is a chlorinated heterocyclic compound used primarily as a chemical intermediate. Its structure consists of a pyridine ring with two chlorine substituents, which makes it a building block for the synthesis of more complex organic molecules.
Chemical intermediate for organic 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
ReferenceSame Category
2,6-dichloropyridine
CAS2402-78-0
chemical intermediate
ReferenceSame Category
2,2,6,6-tetramethyl-4-piperidinol
CAS2403-88-5
hindered amine light stabilizer precursor
ReferenceSame Category
1,2,2,6,6-pentamethyl-4-piperidinol
CAS2403-89-6
Hindered amine light stabilizer intermediate
ReferenceSame Category
Itaconic acid diethyl ester
CAS2409-52-1
monomer for polymer synthesis
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2,3-DICHLOROPYRIDINE (CAS 2402-77-9) is 2933.39.
HS code (international, 6-digit)
2933.39
EU CN code (8-digit)
2933 39 99
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
2,3-dichloropyridine
InChIKey
MAKFMOSBBNKPMS-UHFFFAOYSA-N
SMILES
C1=CC(=C(N=C1)Cl)Cl
Synonyms (8)
- 2,3-DICHLOROPYRIDINE
- 2,3-dichloro-pyridin
- Pyridine, 2,3-dichloro-
- Pyridine, dichloro-
- Pyridine,3-dichloro-
- dichloropyridine
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