Drospirenone from China
Drospirenone is a synthetic spironolactone analogue with progestogenic and antimineralocorticoid activity, used in contraceptives. Classified in HTS 2937.23.50 as a steroidal progestin structural analogue used primarily as hormone.
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
• Acidity-sensitive—use pH-neutral packaging; DMF Type II required
• Monitor potassium-elevating claims for therapeutic classification