83019-68-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83019-68-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,0,1 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 83019-68:
(7*8)+(6*3)+(5*0)+(4*1)+(3*9)+(2*6)+(1*8)=125
125 % 10 = 5
So 83019-68-5 is a valid CAS Registry Number.