C6H6ClN
127.57 g/mol
Pharmaceutical IntermediateWarning
2-Chloro-4-methylpyridine
CAS3678-62-4EC222-951-2
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
2-Chloro-4-methylpyridine is a chlorinated heterocyclic compound used primarily as a pharmaceutical intermediate. It serves as a building block in the synthesis of various active pharmaceutical ingredients.
pharmaceutical intermediatebuilding block 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
4-Chloro-2-picoline
CAS3678-63-5
pharmaceutical intermediate
ReferenceSame Category
4-Chloropyrrolo[2,3-d]pyrimidine
CAS3680-69-1
pharmaceutical intermediate
ReferenceSame Category
1,5-Pentanediol diacrylate
CAS36840-85-4
pharmaceutical intermediate
ReferenceSame Category
(2R,3R)-3-(2,5-difluorophenyl)-3-hydroxy-2-methyl-4-(1,2,4-triazol-1-yl)butanethioamide
CAS368421-58-3
pharmaceutical intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2-Chloro-4-methylpyridine (CAS 3678-62-4) 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-chloro-4-methylpyridine
InChIKey
MZVSTDHRRYQFGI-UHFFFAOYSA-N
SMILES
CC1=CC(=NC=C1)Cl
Synonyms (7)
- 2-Chloro-4-methylpyridine
- 2-Chloro-4-picoline
- 2-chlor-4-methylpyridine
- 4-Picoline, 2-chloro-
- 4-methyl-2-chloropyridine
- Pyridine, 2-chloro-4-methyl-
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