68142-19-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68142-19-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,1,4 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 68142-19:
(7*6)+(6*8)+(5*1)+(4*4)+(3*2)+(2*1)+(1*9)=128
128 % 10 = 8
So 68142-19-8 is a valid CAS Registry Number.