Thymosin Alpha-1 Powder from Japan
Synthetic thymosin alpha-1, a polypeptide hormone used primarily for immune modulation. Falls under HTS 2937.90.90.00 as a hormone derivative used primarily as a hormone. Research-grade bulk powder.
Duty Rate — Japan → 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 Institutional Review Board (IRB) approval if for clinical research
• Document synthetic origin to distinguish from biological extracts
• Lyophilized form requires humidity-controlled packaging and documentation