Mometasone Furoate from Canada
Mometasone furoate is a potent 21-chloro-11β,17-dihydroxy-16α-methylpregna-1,4-diene-3,20-dione 17-(2-furoate) halogenated corticosteroid from adrenal cortical hormone series. HTS 2937.22.00.00 applies due to chlorine halogenation and primary hormonal use.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Furoate ester hydrolysis sensitivity requires low-moisture packaging (<20% RH)
• Nasal spray API needs preservative compatibility data
• 21-chloro position critical for classification; dechlorinated impurities scrutinized