Dapsone USP from Japan
Dapsone is an organo-sulfur antibacterial drug used for leprosy and dermatitis herpetiformis treatment. Its diphenylsulfone structure features sulfur directly linked to aromatic carbons, characteristic of heading 2930 organo-sulfur compounds. Designated as a drug in subheading 2930.90.92.35.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Provide WHO prequalification if applicable and methemoglobinemia risk disclosures for FDA review
• Label clearly as human pharmaceutical to prevent veterinary reclassification
• Avoid bulk packaging over 25kg without special stability permits