117828-53-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117828-53-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,8,2 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 117828-53:
(8*1)+(7*1)+(6*7)+(5*8)+(4*2)+(3*8)+(2*5)+(1*3)=142
142 % 10 = 2
So 117828-53-2 is a valid CAS Registry Number.
InChI:InChI=1/C33H38N4O4.Fe/c1-16-17(2)26-15-30-33(6,7)20(5)27(37-30)13-25-19(4)22(9-11-32(40)41)29(36-25)14-28-21(8-10-31(38)39)18(3)24(35-28)12-23(16)34-26;/h12-15,20H,8-11H2,1-7H3,(H4,34,35,36,37,38,39,40,41);/q;+3/p-3