N-Acetylsulfanilyl Chloride from Japan
N-Acetylsulfanilyl chloride is an aromatic amide derivative used in sulfonamide antibiotic synthesis, featuring a sulfonyl chloride group. It qualifies under HTS 2924.29.10.00 as a specifically named cyclic amide product of chapter 29. Primarily imported for pharmaceutical intermediate production.
Duty Rate — Japan → United States
21%
Rate breakdown
9903.04.628.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide REACH/ TSCA registration for sulfonyl chloride hazards; ship under temperature control to prevent hydrolysis; declare exact CAS 1216-37-3 to avoid reclassification