Murashige and Skoog (MS) Basal Medium from Mexico
MS medium powder or liquid containing macro/micro-nutrients, vitamins, and myo-inositol for plant tissue culture, enabling micropropagation of species like orchids or potatoes. Falls under HTS 3821.00.00 for prepared media supporting plant cell and tissue development.
Duty Rate — Mexico → United States
15%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Obtain APHIS phytosanitary permits if media supports quarantine organisms
• Document exact formulation to prevent reclassification as simple fertilizer salts
• Use insulated packaging for powder stability during ocean freight