22540-03-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22540-03-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,5,4 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 22540-03:
(7*2)+(6*2)+(5*5)+(4*4)+(3*0)+(2*0)+(1*3)=70
70 % 10 = 0
So 22540-03-0 is a valid CAS Registry Number.