2-Chloro-3-methylpyridine (CAS NO.18368-76-8) is also named as 3-Picoline, 2-chloro- ; Pyridine, 2-chloro-3-methyl- ; 2-Chloro-3-picoline . 2-Chloro-3-methylpyridine (CAS NO.18368-76-8) is colorless to light yellow liquid.