Prednisone Hemisuccinate from China
Prednisone hemisuccinate is a succinate ester derivative of prednisone designed for parenteral administration in its water-soluble form, exerting glucocorticoid hormonal effects. Classified under HTS 2937.29.90.30 as a prednisone ester used primarily as a hormone. It converts rapidly in vivo to active prednisone.
Duty Rate — China → 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
• Include DMF Type II for API; validate endotoxin levels <0.5 EU/mg
• Avoid bulk packaging confusion with finished vials
• Precise ester nomenclature prevents Customs reclassification