D(-)-p-Hydroxyphenylglycine Magnesium Salt Hydrate from Mexico
Hydrated magnesium salt of d(-)-p-Hydroxyphenylglycine, classified under HTS 2922.50.11.00 as a salt of the specified organic compound, allowable under Chapter 29 note (d) for water-dissolved forms if transport-appropriate. Applied in chiral resolution processes.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6093.5%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Quantify bound water in CoA to confirm note (d) compliance; excess solvent risks 3824 shift
• Hygroscopic nature requires sealed packaging; declare moisture % for accurate valuation
• Avoid anti-caking agents beyond note (f) limits to maintain pure compound status