2934.10.90.00/5-Methyl-2-Furfurylthiazolium Chloride/Japan

5-Methyl-2-Furfurylthiazolium Chloride from Japan

This thiazolium salt used in asymmetric catalysis features a substituted thiazole ring with furfuryl group. Classifies under HTS 2934.10.90.00 as thiazole derivative salt remaining with parent heterocyclic compound per Chapter 29 salt classification notes.

Duty Rate — Japan → United States

15%

Rate breakdown

9903.04.628.5%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate

9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

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Import Tips

• Include organocatalyst application data and chiral induction efficiency

• Verify counterion (chloride) exchange does not affect classification

• Ship under temperature control if hygroscopic; include storage conditions