4558-31-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4558-31-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,5 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4558-31:
(6*4)+(5*5)+(4*5)+(3*8)+(2*3)+(1*1)=100
100 % 10 = 0
So 4558-31-0 is a valid CAS Registry Number.