65513-69-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65513-69-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,5,1 and 3 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 65513-69:
(7*6)+(6*5)+(5*5)+(4*1)+(3*3)+(2*6)+(1*9)=131
131 % 10 = 1
So 65513-69-1 is a valid CAS Registry Number.