Mestranol from Japan
Mestranol is a methoxy derivative of ethinylestradiol used in early oral contraceptives. Falls under HTS 2937.23.5010 as estrogen structural analogue used primarily for hormonal contraception effects.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.6215%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Validate 17-alpha methyl substitution documentation; Cross-check against progestin contamination thresholds; Legacy compound may require additional historical safety dossiers