83116-31-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83116-31-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,1,1 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 83116-31:
(7*8)+(6*3)+(5*1)+(4*1)+(3*6)+(2*3)+(1*1)=108
108 % 10 = 8
So 83116-31-8 is a valid CAS Registry Number.