Hydrocortisone Propionate Micronized from China
Micronized hydrocortisone propionate powder (<5μm particle size) enhances bioavailability in inhalation and topical formulations. Falls under HTS 2937.29.90.20 as a propionate ester of the steroidal hormone hydrocortisone.
Duty Rate — China → 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
• Document laser diffraction particle size analysis confirming D90 <5μm for micronized grade
• Include amorphous content analysis as it affects stability and classification purity
• Avoid anti-caking agents exceeding 1% which could trigger 'additive' reclassification per Chapter notes