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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If non-aromatic isomer
Loss of aromaticity moves to the 'other' non-aromatic pyrimidine category.
If formulated as pesticide
Pesticidal goods of this chemistry fall under Chapter 38 when prepared for use.
If containing nucleic acid structure
Nucleosides/nucleotides shift to heading 2934 for heterocyclic compounds with N/O/S.
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Import Tips & Compliance
• Include veterinary drug registration if for animal use to comply with APHIS requirements
• Verify aromatic modification via NMR spectra in documentation for subheading 80.00
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.
Sulfadiazine Sodium Salt
Sulfadiazine sodium is the sodium salt of a pyrimidine-containing sulfonamide antibiotic, aromatic heterocyclic structure. Classified in HTS 2933.59.80.00 as the organic base occurs after sulfonated derivatives per chapter salt notes. Pharmaceutical bulk import.