Prednisolone Sodium Phosphate from Mexico
Water-soluble Prednisolone Sodium Phosphate, the phosphate salt of prednisolone used in oral solutions and eye drops for rapid glucocorticoid absorption. HTS 2937.21.00.40 applies as inorganic salts of organic hormone compounds classify with the base organic compound per Chapter 29 note on salts. Specifically listed as prednisolone derivative used primarily as hormone.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
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
• Submit salt formation verification and sodium content analysis; pH stability data critical for aqueous solutions
• DEA Form 236 registration for phosphate salts; FDA import alert screening for sterility
• Package with stabilizer only if necessary for transport per Chapter 29 note (f) to maintain API status