4-Hydroxycoumarin
Heterocyclic compounds with oxygen hetero-atom(s) only: > Lactones: > Other: > Aromatic: > Other: > 4-Hydroxycoumarin
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Products classified under HTS 2932.20.25.00
4-Hydroxycoumarin Powder
Pure 4-Hydroxycoumarin is a synthetic aromatic lactone classified under HTS 2932.20.2500 as a heterocyclic compound with oxygen hetero-atoms only. It serves as a key intermediate in pharmaceutical synthesis, particularly for anticoagulant derivatives.
Coumachlor (3-(α-acetonyl-4-hydroxycoumarin))
Coumachlor is a 4-hydroxycoumarin derivative used as a rodenticide anticoagulant. It qualifies under HTS 2932.20.2500 due to its core 4-hydroxycoumarin lactone structure with aromatic heterocyclic oxygen atoms.
Brodifacoum Technical Grade
Brodifacoum is a second-generation 4-hydroxycoumarin anticoagulant rodenticide in technical powder form. Classified under HTS 2932.20.2500 for its aromatic lactone heterocyclic structure as a separate organic compound.
Difenacoum Active Ingredient
Difenacoum is a synthetic 4-hydroxycoumarin derivative used in anticoagulant baits for pest control. It falls under HTS 2932.20.2500 as an aromatic lactone with oxygen hetero-atoms in its heterocyclic ring.
Warfarin Sodium Precursor (4-Hydroxycoumarin Base)
4-Hydroxycoumarin base used to synthesize warfarin sodium, a pharmaceutical anticoagulant. Classified in HTS 2932.20.2500 for its specific aromatic lactone structure per subheading.
Pindone (2-Pivalyl-1,3-indandione from 4-Hydroxycoumarin)
Pindone is an anticoagulant rodenticide derived from 4-hydroxycoumarin structures. HTS 2932.20.2500 applies to its pure form as an aromatic heterocyclic lactone compound.
4-Hydroxycoumarin USP Grade
USP-grade 4-Hydroxycoumarin meets pharmacopeia standards for research and synthesis. It is classified under HTS 2932.20.2500 as the pure aromatic lactone heterocyclic compound.
Flocoumafen Technical Powder
Flocoumafen is a long-acting 4-hydroxycoumarin rodenticide in technical form. Falls under HTS 2932.20.2500 due to its core aromatic lactone with oxygen hetero-atoms.
Diphacinone Crystals
Diphacinone consists of 4-hydroxycoumarin-derived indandione anticoagulant in crystalline form. Classified as HTS 2932.20.2500 for its heterocyclic aromatic lactone chemistry.
4-Hydroxycoumarin with Stabilizer
Stabilized 4-Hydroxycoumarin powder with anticaking agent for transport, per chapter note (f). Remains under HTS 2932.20.2500 as the primary organic compound.