Diiodohydroxyquinoline (Diodoquin) from China
Diiodohydroxyquinoline, also known as Diodoquin, is an anti-infective quinoline derivative specifically enumerated in HTS 2933.49.20.00. This drug contains the quinoline ring system with iodine substitutions, used for treating intestinal amebiasis and classified as a Chapter 29 pharmaceutical compound.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.6093.5%Pharmaceuticals Annex IV: patented pharma articles — 100% 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
• FDA requires IND or NDA for human use; include thyroid toxicity warnings in SDS
• Verify iodine content via HPLC analysis in COA to confirm identity and purity