103597-53-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103597-53-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,5,9 and 7 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 103597-53:
(8*1)+(7*0)+(6*3)+(5*5)+(4*9)+(3*7)+(2*5)+(1*3)=121
121 % 10 = 1
So 103597-53-1 is a valid CAS Registry Number.
InChI:InChI=1/C34H32N4O11/c1-14-28(40)20(36-33(45)16-7-9-17(10-8-16)37-38-35)11-23(48-14)49-22-13-34(46,15(2)39)12-19-25(22)32(44)27-26(30(19)42)29(41)18-5-4-6-21(47-3)24(18)31(27)43/h4-10,14,20,22-23,28,40,42,44,46H,11-13H2,1-3H3,(H,36,45)