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Chlorambucil from Mexico

Chlorambucil is a nitrogen mustard alkylating agent with chloro substitutions derived from phenylbutyric acid (heading 2912), used in chemotherapy. HTS 2913.00.50.00 covers its halogenated structure. Antineoplastic pharmaceutical API.

Duty Rate — Mexico → United States

15.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Controlled substance; DEA import permit may be required

Cytotoxic hazard; special packaging and handling declarations needed

Distinguish API from finished dosage forms (Chapter 30)