Hydrocortisone Aceponate from China
Hydrocortisone aceponate (hydrocortisone 17-butyrate-21-propionate) is a double-ester derivative for veterinary and human dermatology. Falls under HTS 2937.29.90.20 as a complex ester of hydrocortisone hormone.
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
• Confirm dual ester positions via 2D-NMR COSY spectroscopy for regulatory dossiers
• Declare veterinary vs human grade as it affects FDA import channel and documentation
• Monitor for hydrolysis products which indicate improper storage conditions