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Fludarabine Phosphate

Fludarabine phosphate is a purine analog prodrug with adenine base used in chronic lymphocytic leukemia therapy. The phosphorylated aromatic heterocyclic structure qualifies it as a drug under HTS 2934.99.30.00.

Import Duty Rates by Country of Origin

Origin Country	MFN Rate	Ch.99 Surcharges	Total Effective Rate
🇨🇳China	6.5%	—	6.5%
🇲🇽Mexico	6.5%	—	6.5%
🇨🇦Canada	6.5%	—	6.5%
🇩🇪Germany	6.5%	—	6.5%
🇯🇵Japan	6.5%	—	6.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2934.99Same rate: 6.5%

If non-aromatic nucleoside phosphates

Sugar phosphate emphasis might classify under aliphatic rather than aromatic subheading.

2835.29Higher: 14.1% vs 6.5%

If inorganic phosphate salts

If phosphate function dominates, could consider phosphonate classification.

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Import Tips & Compliance

• Certify phosphate ester purity and free phosphate content per pharmacopeia

• Provide lyophilization specifications for the sterile bulk powder form

• Declare Class 1 solvent residue limits compliance in manufacturing process validation

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.

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.

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.