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%Pharmaceuticals Annex IV: 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
• 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