5531-26-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5531-26-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,3 and 1 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 5531-26:
(6*5)+(5*5)+(4*3)+(3*1)+(2*2)+(1*6)=80
80 % 10 = 0
So 5531-26-0 is a valid CAS Registry Number.