Chloramphenicol Acetyl Derivative from Germany
N-acetyl protected intermediate derivative of chloramphenicol used in synthesis of modified antibiotics. Falls under HTS 2941.40.00.00 as chemically defined chloramphenicol derivative. Pharmaceutical intermediate for research and production.
Duty Rate — Germany → United States
0%
Rate breakdown
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
• Deprotection stability data needed; acetyl groups hydrolyze above 40°C affecting declared purity
• Declare CAS 1442-35-1 or equivalent; generic 'antibiotic' descriptions trigger CBP review
• Lab synthesis grade requires TSCA notification for US manufacturing import