Idoxuridine Crystals
Idoxuridine is an iodinated pyrimidine nucleoside antiviral, with aromatic modified structure. HTS 2933.59.80.00 covers this halogenated heterocyclic per chapter notes on derivatives. Used in ophthalmic and topical formulations.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If with ribose sugar moiety emphasized
Nucleoside structure may take precedence under heading 2934.
If in ophthalmic solution
Formulated products become Chapter 30 medicaments.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• ,CAS 54-42-2 declaration confirms pyrimidine classification over nucleoside 2934
• Small volume imports common; watch minimum quantity thresholds for pharma chemicals
Related Products under HTS 2933.59.80.00
Aminophylline USP Powder
Aminophylline is a heterocyclic compound containing a xanthine (purine) structure with pyrimidine rings, used as a bronchodilator for respiratory conditions. It falls under HTS 2933.59.80.00 as an aromatic heterocyclic compound with nitrogen hetero-atoms in pyrimidine rings, not elsewhere specified. Typically imported as a pharmaceutical-grade powder for compounding or manufacturing.
Dipyridamole API
Dipyridamole is an aromatic heterocyclic pharmaceutical intermediate with pyrimidine rings, used in antiplatelet formulations. Classified under HTS 2933.59.80.00 for other aromatic pyrimidine hetero-compounds. Imported as bulk active pharmaceutical ingredient (API) powder.
Flucytosine Micronized Powder
Flucytosine is a fluorinated aromatic pyrimidine antifungal agent, imported as micronized API powder. Falls under HTS 2933.59.80.00 for modified aromatic pyrimidine heterocycles per chapter note on halogenated derivatives. Used in pharmaceutical manufacturing.
Pipobroman
Pipobroman is a brominated pyrimidine alkylating agent for chemotherapy, aromatic structure. Classified HTS 2933.59.80.00 as other aromatic pyrimidine with halogenation. Rare API import.
Dihydro-5-azacitidine
Dihydro-5-azacitidine is a modified pyrimidine nucleoside analog for epigenetic research, technically aromatic. HTS 2933.59.80.00 as modified aromatic aza-pyrimidine. Research chemical.
Pyrimethamine Technical Grade
Pyrimethamine is a synthetic aromatic pyrimidine derivative used as an antimalarial agent and veterinary coccidiostat. It qualifies for HTS 2933.59.80.00 as an other aromatic heterocyclic with pyrimidine ring structure. Typically imported in technical powder form for further processing.