313509-19-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 313509-19-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,3,5,0 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 313509-19:
(8*3)+(7*1)+(6*3)+(5*5)+(4*0)+(3*9)+(2*1)+(1*9)=112
112 % 10 = 2
So 313509-19-2 is a valid CAS Registry Number.