B27 Supplement for Neural Stem Cells from Canada
B27 is a serum-free supplement added to basal media for neural progenitor and stem cell cultures, containing antioxidants, lipids, and trophic factors. While supplemental, complete formulations classify under HTS 3821.00.00 for cell maintenance.
Duty Rate — Canada → United States
15%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide light-protected shipping for lipid component stability
• Document as 'media supplement - research use' distinctly
• Test for endotoxin levels below 0.1 EU/mL per import specs