Dydrogesterone from China
Dydrogesterone is a synthetic progestogen with structure closest to natural progesterone, used for infertility and menstrual disorders. HTS 2937.23.50 applies as a progestin structural analogue used primarily as hormone.
Duty Rate — China → 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
• Retroprogesterone structure requires specific NMR confirmation; light-protected shipping
• EU vs USP grade declarations affect acceptance