4-Methylthiazole Pharmaceutical Grade from Japan
4-Methylthiazole, an aromatic heterocyclic compound with unfused thiazole ring, qualifies under HTS 2934.10.10.00. Used as building block in API synthesis and flavor chemistry.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Specify 'pharmaceutical grade' with residual solvent analysis per USP <467>
• Pungent odor requires sealed secondary containment and odor-neutralizing packaging
• Provide flavor/fragrance end-use letter if avoiding food additive registration