Allopurinol
Allopurinol is a xanthine oxidase inhibitor with purine-like triazole ring structure, used to treat gout and hyperuricemia. This aromatic heterocyclic compound is classified as a drug under HTS 2934.99.30.00 due to its pharmaceutical therapeutic applications.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for veterinary purine analogs
Animal health versions of purine heterocyclics classify separately from human drugs.
If when sold as research chemical
Non-pharmaceutical grade moves to general heterocyclic compounds category.
If pre-mixed with excipients
Partially processed mixtures for further pharmaceutical manufacture classify as medicaments.
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Import Tips & Compliance
• Certify compliance with USP/EP monographs for pharmacopeial grade specifications
• Declare particle size distribution data important for tablet formulation consistency
• Provide polymorphism characterization since crystal form affects bioavailability
Related Products under HTS 2934.99.30.00
Adenosine Triphosphate (ATP) Disodium Salt
ATP disodium salt is a chemically defined nucleic acid derivative used as a pharmaceutical drug for cellular energy studies and metabolic research. It falls under HTS 2934.99.30.00 as an aromatic heterocyclic compound classified as a drug due to its primary pharmaceutical applications in medical research and therapeutics.
5-Fluorouracil
5-Fluorouracil is an aromatic pyrimidine analog used as an antineoplastic drug for cancer chemotherapy treatment. Classified under HTS 2934.99.30.00 as a drug featuring a modified aromatic heterocyclic structure essential for its pharmaceutical action.
Methotrexate
Methotrexate is a folic acid antagonist featuring pteridine heterocyclic rings, used as an antineoplastic and immunosuppressant drug. It qualifies for HTS 2934.99.30.00 as an aromatic heterocyclic drug compound used in rheumatoid arthritis and cancer treatments.
Colchicine
Colchicine contains a tropolone ring system (modified aromatic heterocycle) used for gout treatment and as an anti-inflammatory drug. It falls under HTS 2934.99.30.00 as a chemically defined aromatic heterocyclic pharmaceutical drug.
Mercaptopurine
Mercaptopurine is a purine antimetabolite with thiopurine heterocyclic structure used in leukemia chemotherapy. Classified under HTS 2934.99.30.00 as an aromatic heterocyclic drug due to its pharmaceutical anticancer applications.
Thioguanine
Thioguanine is a guanine analog with thiopurine structure used as antileukemic drug featuring aromatic heterocyclic rings. It qualifies for HTS 2934.99.30.00 classification as a pharmaceutical drug compound.