Gestodene USP Reference Standard from Mexico
Gestodene is a synthetic progestogen used in low-dose oral contraceptives. As a USP reference standard, this highly pure steroidal hormone derivative is classified under HTS 2937.29.90.95 when used primarily as a hormonal pharmaceutical reference material.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals: patented pharma articles — 100% 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
• Include USP lot number and certificate of analysis,Declare as Reference Standard, not bulk API to avoid different regulations,Small package exemption may apply for <100g research quantities