65318-31-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65318-31-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,3,1 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 65318-31:
(7*6)+(6*5)+(5*3)+(4*1)+(3*8)+(2*3)+(1*1)=122
122 % 10 = 2
So 65318-31-2 is a valid CAS Registry Number.