Tiobutramine (active pharmaceutical ingredient) from Japan
Tiobutramine is an organo-sulfur veterinary drug intermediate with thio-butyl side chain for animal health applications. Sulfur-carbon direct linkage qualifies it under heading 2930 organo-sulfur compounds. Falls in drug subheading 2930.90.92.35 despite veterinary focus.
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
• Distinguish from human drugs with veterinary labeling to avoid FDA human drug pathways
• Provide target species documentation for CVM import alerts
• Bulk chemical appearance common pitfall; use pharma-grade COA