31366-66-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31366-66-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,3,6 and 6 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 31366-66:
(7*3)+(6*1)+(5*3)+(4*6)+(3*6)+(2*6)+(1*6)=102
102 % 10 = 2
So 31366-66-2 is a valid CAS Registry Number.