4-Phenylthiazole from Canada
4-Phenylthiazole consists of an aromatic thiazole ring with phenyl substituent at position 4, used in materials science and pharma. HTS 2934.10.20.00 perfectly matches 'aromatic' unfused thiazole compounds. Simple biaryl heterocyclic structure.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• UV-Vis spectrum confirming extended aromatic conjugation
• Declare molecular formula C9H7NS explicitly
• High purity (>99%) prevents mixture classification challenges