Polymyxin B Sulfate from United States
Polymyxin B sulfate is a natural cationic polypeptide antibiotic from Paenibacillus polymyxa, used for gram-negative infections. As a sulfate salt of the organic compound polymyxin B, it is classified with the parent compound under Chapter 29 Note 5(C)(1).
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the product is a pure salt, not mixed with other antibiotics
• Provide a CoA to verify the polymyxin B base content
• Check if the product is for pharmaceutical use, which may require a DIN