2-Methyl-1,4-Naphthoquinone (Vitamin K3) from Japan
2-Methyl-1,4-naphthoquinone, also known as menadione or Vitamin K3, is a synthetic quinone used in pharmaceutical formulations for coagulation disorders. It meets HTS 2914.69.21.00 criteria as a drug-specific quinone compound.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.629.5%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
• CoA must confirm menadione content without oxidation byproducts common in quinones
• FDA prior notice required if for human pharma; veterinary use needs separate filing