Diiodohydroxyquinoline (Diodoquin)

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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%6.5%
🇲🇽Mexico6.5%6.5%
🇨🇦Canada6.5%6.5%
🇩🇪Germany6.5%6.5%
🇯🇵Japan6.5%6.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2933.49.15.00Lower: 5.8% vs 6.5%

If synthetic intermediate grade

Non-pharmaceutical grades without drug labeling fall under general quinoline chemicals.

3004.90Higher: 10% vs 6.5%

If in topical ointment dosage

Medicinal preparations in measured doses for external use classified by therapeutic function in Chapter 30.

2902.50.00.00Higher: 35% vs 6.5%

If simpler substituted quinoline without full drug status

Basic cyclic alcohols or derivatives may shift to earlier oxygen-function headings if not complex heterocycles.

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Import Tips & Compliance

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