68194-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68194-77-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,1,9 and 4 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 68194-77:
(7*6)+(6*8)+(5*1)+(4*9)+(3*4)+(2*7)+(1*7)=164
164 % 10 = 4
So 68194-77-4 is a valid CAS Registry Number.