3-Methyl-5-Pyrazolone Flake Form from Japan
3-Methyl-5-pyrazolone in flake form for easier handling in pharmaceutical intermediate production falls under HTS 2933.19.70.00. Its classification stems from the core unfused pyrazole ring meeting Chapter 29 note requirements for pure heterocyclic compounds.
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
• Use anti-caking stabilized packaging only if necessary for transport per Chapter 29 note (f)
• Include NMR spectral data if requested to confirm pyrazole ring integrity
• Register with US EPA if used in pesticide intermediates to avoid delays