Norgestimate from Canada
Norgestimate is a third-generation progestin used in combination oral contraceptives, a derivative with ethinyl estradiol. It falls under HTS 2937.23.5050 as an 'other' progestin structural analogue used primarily as a hormone. Chapter 29 notes confirm its classification over earlier organic function headings.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Include 17-deacetyl-norgestimate impurity limits in analytical reports
• Validate HPLC method per USP for consistent potency declaration
• Use amber glass with Teflon-lined closures for light-sensitive material