68143-96-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68143-96-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,1,4 and 3 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 68143-96:
(7*6)+(6*8)+(5*1)+(4*4)+(3*3)+(2*9)+(1*6)=144
144 % 10 = 4
So 68143-96-4 is a valid CAS Registry Number.