813463-31-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 813463-31-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,3,4,6 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 813463-31:
(8*8)+(7*1)+(6*3)+(5*4)+(4*6)+(3*3)+(2*3)+(1*1)=149
149 % 10 = 9
So 813463-31-9 is a valid CAS Registry Number.