Etonogestrel from Japan
Etonogestrel is the active metabolite of desogestrel, used in contraceptive implants and vaginal rings as a synthetic progestin. Classified under HTS 2937.23.5050 as a structural analogue of progestins used primarily as hormones. Meets Chapter 29 requirements for separate chemically defined organic compounds.
Duty Rate — Japan → 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
• Provide synthetic route disclosure for FDA impurity evaluation
• Test for levonorgestrel-related substances per pharmacopeia monographs
• Declare exact polymorphic form; changes affect dissolution/bioavailability