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Irinotecan Hydrochloride Trihydrate
Chemical Structure:
 
Chemical Name:
(+)-(4S)-4,11-Diethyl-4-hydroxy-9-<(piperidinopiperidino)-carbonyloxy>-1H-pyrano<3’,4’:6,7>indolizino<1,2-b>quinoline-3,14-(4H,12H)-dione hydrochloride trihydrate 
Molecular Formula: C33H38N4O6·HCl·3H2 
Molecular Weight: 677.2  
CAS-No.: [136572-09-3] 
Properties: Slightly pale yellow needles or slightly pale yellow crystalline powder, odorless; Melting point 256.5℃,Optical Rotation [a]D20 = +67.7°(c = 1 in water). UV max (ethanol): 221, 254, 359, 372 nm. pH of 2% aqueous solution = 4. Slightly soluble in water, ethanol or chloroform. Practically insoluble in acetone.
Specifications: USP40. Ph.Eur.9.0
Storage: Protect from light, air tight at cool place.