Somatrem (Methionyl Human Growth Hormone) from Mexico
Somatrem is a structurally modified form of human somatotropin with an extra methionine residue at the N-terminus, making it a derivative used for growth hormone replacement therapy. This analogue maintains the biological activity of natural somatotropin. Falls under HTS 2937.11.00.00 due to its classification as a somatotropin derivative used primarily as a hormone.
Duty Rate — Mexico → 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
• Include structural characterization documents showing the methionine modification to confirm derivative status
• Ensure cold chain documentation for biologics stability during transport
• Declare as 'hormone for therapeutic use' to prevent classification as research chemical