4-Methylthiazole from Canada
4-Methylthiazole is a simple aromatic thiazole ring with a methyl substituent at the 4-position, used in flavor synthesis and pharmaceuticals. Classified under HTS 2934.10.20.00 as 'other' aromatic unfused thiazole compounds. Meets Chapter 29 criteria for chemically defined heterocycles.
Duty Rate — Canada → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• CAS number (693-95-8) documentation essential for CBP verification of thiazole identity
• Avoid bulk packaging that suggests mixture classification under Chapter 38
• Label clearly as 'pure 4-methylthiazole' to prevent misclassification as flavor preparation