2445-31-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2445-31-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,4,4 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2445-31:
(6*2)+(5*4)+(4*4)+(3*5)+(2*3)+(1*1)=70
70 % 10 = 0
So 2445-31-0 is a valid CAS Registry Number.