81513-92-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81513-92-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,5,1 and 3 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81513-92:
(7*8)+(6*1)+(5*5)+(4*1)+(3*3)+(2*9)+(1*2)=120
120 % 10 = 0
So 81513-92-0 is a valid CAS Registry Number.