Hydrocortisone Butyrate from Mexico
Hydrocortisone 17-butyrate is a potent lipophilic ester used in high-strength topical corticosteroid formulations for psoriasis treatment. Falls under HTS 2937.29.90.20 as a butyrate ester derivative of the steroidal hormone hydrocortisone.
Duty Rate — Mexico → 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
• Submit structural confirmation via mass spectrometry showing butyrate ester linkage at C-17 position
• Ensure DMF registration with FDA for intended topical formulation use; declare potency grade
• Monitor for potency variation which could affect duty calculation based on purity thresholds