Cinchonidine Base from China
Cinchonidine base from cinchona used as resolving agent for racemic acids in pharma synthesis. HTS 2939.20.00 classification for chemically pure natural alkaloid. Laboratory and industrial synthesis import.
Duty Rate — China → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Optical rotation specs [+225°] documentation; research use declaration simplifies entry; avoid light exposure in transit