68440-62-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68440-62-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,4,4 and 0 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 68440-62:
(7*6)+(6*8)+(5*4)+(4*4)+(3*0)+(2*6)+(1*2)=140
140 % 10 = 0
So 68440-62-0 is a valid CAS Registry Number.