Tibolone API from Mexico
Tibolone is a synthetic steroidal hormone with mixed estrogenic, progestogenic, and androgenic activity used in menopausal HRT. As a structurally unique steroidal hormone derivative, it falls under HTS 2937.29.90 per Chapter 29 classification hierarchy.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Provide receptor binding profile data demonstrating mixed hormone activity
• Ensure polymorphic form consistency; affects dissolution and bioavailability
• Declare synthetic origin; natural hormones have different regulatory pathways