Desogestrel from Canada
Desogestrel is a synthetic progestogen with high selectivity for progesterone receptors, used in contraceptive pills. It is imported as bulk API under HTS 2937.23.50 for its classification as a steroidal progestin hormone derivative.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Include chiral purity certificate (>98% S-enantiomer); temperature control <8°C
• Avoid plastic drums—use HDPE with Teflon liner