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Pharma-Grade sec-Butyl Chloride from Japan

Low-impurity sec-Butyl chloride meeting USP/EP residual solvent limits for pharmaceutical manufacturing. Classified HTS 2903.19.30.00 as chemically defined saturated chlorinated acyclic hydrocarbon. Used in synthesis of active pharmaceutical ingredients (APIs).

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

Include DMF or residual solvent analysis per ICH Q3C guidelines

FDA prior notice required; classify as 'drug intermediate' on entry summary

GMP certificate may expedite CBP examination for pharma consignments