76513-61-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76513-61-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,5,1 and 3 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 76513-61:
(7*7)+(6*6)+(5*5)+(4*1)+(3*3)+(2*6)+(1*1)=136
136 % 10 = 6
So 76513-61-6 is a valid CAS Registry Number.