Cladribine from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Chlorine content verification by NMR; orphan drug status documentation; multiple sclerosis indication requires specific labeling