Synthetic Barium Carbonate USP Grade from Japan
USP-grade synthetic barium carbonate meets pharmaceutical standards for use in barium sulfate contrast media production. It is a chemically defined compound under HTS 2836.60.00.00, as simple carbonates remain in Chapter 28 regardless of purity.
Duty Rate — Japan → United States
2.3%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• FDA import alert 99-20 compliance for barium drugs; USP certificate mandatory
• Avoid pharma finished forms which go to Chapter 30