61969-03-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61969-03-7 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, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 61969-03:
(7*6)+(6*1)+(5*9)+(4*6)+(3*9)+(2*0)+(1*3)=147
147 % 10 = 7
So 61969-03-7 is a valid CAS Registry Number.