18520-44-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18520-44-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,5,2 and 0 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 18520-44:
(7*1)+(6*8)+(5*5)+(4*2)+(3*0)+(2*4)+(1*4)=100
100 % 10 = 0
So 18520-44-0 is a valid CAS Registry Number.