Prednisolone Hemisuccinate from Canada
Prednisolone 21-hemisuccinate, succinic acid ester derivative providing water-solubility for IV administration as potent glucocorticoid. Classifies under HTS 2937.21.00.40 as ester of listed prednisolone with Chapter 29 acid-function compound, following ester classification to later numerical heading rule. Used primarily for acute hormone therapy.
Duty Rate — Canada → 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
• Ester linkage verification by HPLC and succinate moiety quantification required
• Lyophilization compatibility data; GMP audit trail for EU/US sites
• Separate from finished lyophilized injections to maintain bulk API status