N-Acetylsulfanilyl Chloride from China
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 — China → United States
31.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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