Cladribine from Mexico
Cladribine is a purine nucleoside analog (2-chlorodeoxyadenosine) used in hairy cell leukemia and multiple sclerosis, featuring chlorinated purine heterocycle. HTS 2934.99.4700 as halogenated heterocyclic drug per Chapter notes. Synthetic API meeting purity standards.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Chlorine content verification by NMR; orphan drug status documentation; multiple sclerosis indication requires specific labeling