605668-31-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 605668-31-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,5,6,6 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 605668-31:
(8*6)+(7*0)+(6*5)+(5*6)+(4*6)+(3*8)+(2*3)+(1*1)=163
163 % 10 = 3
So 605668-31-3 is a valid CAS Registry Number.