Etonogestrel from Canada
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 — Canada → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
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