Hydrocortisone Butyrate from China
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 — China → United States
0%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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