Dicumarol
Dicumarol is a naturally-derived aromatic lactone anticoagulant originally isolated from spoiled sweet clover. Classified under HTS 2932.20.20.00 as an aromatic lactone drug with oxygen-containing heterocyclic ring. Used historically for thrombosis treatment before synthetic alternatives.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If synthetic intermediate not yet drug-approved
Intermediates lack 'drugs' designation even if aromatic heterocyclic; classified as other heterocycles
If imported as crude plant extract containing dicumarol
Natural plant extracts fall under Chapter 12 before pharmaceutical purification to Chapter 29 drug status
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Import Tips & Compliance
• Include pharmacopoeia reference standards (USP/NF) in documentation to verify identity and potency
• Declare batch-specific stability data as lactones can degrade; maintain cold chain if required
• Differentiate from food contaminants; provide proof of pharmaceutical-grade separation from plant matrix
Related Products under HTS 2932.20.20.00
Warfarin Sodium
Warfarin sodium is an aromatic lactone derivative used as an anticoagulant drug to prevent blood clots. It falls under HTS 2932.20.20.00 as an aromatic lactone classified as a drug, containing oxygen hetero-atoms in a heterocyclic structure. This synthetic coumarin-based compound is chemically defined and meets Chapter 29 requirements for pharmaceutical lactones.
Aflatoxin B1 Standard
Aflatoxin B1 is a highly toxic aromatic lactone mycotoxin used as analytical standard for food safety testing. Falls under HTS 2932.20.20.00 as an aromatic lactone with recognized pharmaceutical reference applications. The difurocoumarin structure contains oxygen hetero-atoms in fused heterocyclic rings.
Senecionine
Senecionine is an aromatic otonecine-class pyrrolizidine lactone alkaloid used in toxicology research. Classified under HTS 2932.20.20.00 due to its oxygen-containing heterocyclic lactone structure and pharmaceutical research applications. Isolated from Senecio plants as reference hepatotoxin standard.
Alizarin
Alizarin is a red anthraquinone derivative containing aromatic lactone functionality used in pharmaceutical staining. Falls under HTS 2932.20.20.00 as aromatic oxygen-heterocycle with drug applications in histology. Historically significant as first synthetic dye with medicinal uses.
Patulin Reference Standard
Patulin is a toxic aromatic lactone mycotoxin produced by Penicillium fungi, used as analytical standard. HTS 2932.20.20.00 covers this oxygen-heterocyclic drug reference due to its pharmaceutical toxicology applications. Regulated for juice and food safety testing.