61969-52-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61969-52-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,9,6 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 61969-52:
(7*6)+(6*1)+(5*9)+(4*6)+(3*9)+(2*5)+(1*2)=156
156 % 10 = 6
So 61969-52-6 is a valid CAS Registry Number.
InChI:InChI=1/C21H18N4O2/c1-14-18(20(26)24(22-14)16-9-5-3-6-10-16)13-19-15(2)23-25(21(19)27)17-11-7-4-8-12-17/h3-13,18H,1-2H3/b19-13+