MacConkey Agar for Gram-Negative Bacteria from Mexico
Selective MacConkey agar with bile salts, lactose, and neutral red for isolating enteric Gram-negative pathogens like Salmonella. Prepared under HTS 3821.00.00 for bacterial culture.
Duty Rate — Mexico → United States
15%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Validate bile salt and dye concentrations for performance consistency
• Declare selective agents to preempt chemical weapon concerns
• Use flat-pack shipping to minimize plate warping