1,4-Naphthoquinone USP Grade from Canada
1,4-Naphthoquinone is a quinone compound used in antifungal drugs and as a precursor for vitamin K analogs. It is classified under HTS 2914.69.21.00 as a drug due to its USP pharmaceutical grade and specific medicinal applications per Chapter 29.
Duty Rate — Canada → United States
5.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• USP certificate mandatory; include microbial limits testing for pharma import clearance
• Declare exact isomer purity to comply with Chapter 29 note (b) on mixtures