68151-22-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68151-22-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,1,5 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 68151-22:
(7*6)+(6*8)+(5*1)+(4*5)+(3*1)+(2*2)+(1*2)=124
124 % 10 = 4
So 68151-22-4 is a valid CAS Registry Number.