(R)-4-Hydroxy-4-methyl-7,8-dihydro-1H-pyrano[3,4-f]-indolizine-3,6,10(4H)-trione is an impurity of Irinotecan (I767500) which is a DNA topoisomerase inhibitor.
Molecular Formula:C12H11NO5
Molecular Weight:249.22
Storage and Stability:Store at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.