256411-32-2 Usage
Uses
Antineoplastic
(DNA topoisomerase I inhibitor).
Check Digit Verification of cas no
The CAS Registry Mumber 256411-32-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,6,4,1 and 1 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 256411-32:
(8*2)+(7*5)+(6*6)+(5*4)+(4*1)+(3*1)+(2*3)+(1*2)=122
122 % 10 = 2
So 256411-32-2 is a valid CAS Registry Number.
InChI:InChI=1/C25H27N3O4/c1-4-25(31)19-11-21-22-17(12-28(21)23(29)18(19)13-32-24(25)30)15(9-10-26-14(2)3)16-7-5-6-8-20(16)27-22/h5-8,11,14,26,31H,4,9-10,12-13H2,1-3H3/t25-/m0/s1