Mixed Phospholipid Standard from Mexico
Analytical standard mixture of PC/PE/PS phospholipids for chromatography. Qualifies under HTS 2923.20.20 as other phosphoaminolipids dissolved in solvents per Chapter 29 note (e).
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
• Specify solvent as transport medium only, not functional
• Concentration certificates (<1% solution) maintain chemical status
• Hazmat declarations for chloroform/methanol solvents