131719-62-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131719-62-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,7,1 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 131719-62:
(8*1)+(7*3)+(6*1)+(5*7)+(4*1)+(3*9)+(2*6)+(1*2)=115
115 % 10 = 5
So 131719-62-5 is a valid CAS Registry Number.