High-Purity Ethoxyquin USP Grade from Japan
Pharmaceutical-grade ethoxyquin (>98% purity) meeting USP standards for use as reference standard and research chemical. As a chemically pure quinoline compound, classified HTS 2933.49.10.00 regardless of high purity. Used in analytical labs and veterinary research.
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)
Import Tips
• Include USP certificate and CAS verification; may require DEA import permit if veterinary pharmaceutical intermediate
• Pitfall: research chemicals often held for end-use certification