C5H4ClN
113.54 g/mol
Pharmaceutical IntermediateWarning
3-CHLOROPYRIDINE
CAS626-60-8EC210-955-7
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
3-Chloropyridine is an aryl chloride and isomer of chloropyridine. It is a colorless liquid primarily used as a building block in organic synthesis.
building block in 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
ApplicationSame Use
3-bromopyridine
CAS626-55-1
pharmaceutical intermediate
ReferenceSame Category
4-chloropyridine
CAS626-61-9
pharmaceutical intermediate
ReferenceSame Category
2-Methyl-4-nitrobenzoic acid methyl ester
CAS62621-09-4
pharmaceutical intermediate
ReferenceSame Category
N-(2-hydroxyethyl)nicotinamide
CAS6265-73-2
pharmaceutical intermediate
ReferenceSame Category
2-chloroethyl chloroformate
CAS627-11-2
pharmaceutical intermediate
Referencestereoisomer of
3-Chloropyridine-d4
CAS1001003-95-7
research compound
Safety Reference
Warning
H226Flammable liquid and vapour
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H332Harmful if inhaled
H227
H310Fatal in contact with skin
H318Causes serious eye damage
H330Fatal if inhaled
H335May cause respiratory irritation
H373May cause damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 3-CHLOROPYRIDINE (CAS 626-60-8) 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
3-chloropyridine
InChIKey
PWRBCZZQRRPXAB-UHFFFAOYSA-N
SMILES
C1=CC(=CN=C1)Cl
Synonyms (7)
- .beta.-Chloropyridine
- 3-CHLOROPYRIDINE
- 3-pyridinyl chloride
- CHLOROPYRIDINE, 3-
- Pyridine, 3-chloro-
- m-Chloropyridine
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