Uridine Diphosphate Glucose (UDPG) from Mexico
UDPG is a glycosyl donor crucial for carbohydrate metabolism studies. Falls under HTS 2934.99.39.00 as an aromatic heterocyclic nucleotide derivative specified in additional U.S. note 3 to section VI.
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
• Provide enzymatic assay results confirming biological activity
• Use dry ice shipping for frozen (-20°C) storage requirements
• Declare CAS number 28053-80-9 for accurate chemical identification