4258-03-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4258-03-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,5 and 8 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4258-03:
(6*4)+(5*2)+(4*5)+(3*8)+(2*0)+(1*3)=81
81 % 10 = 1
So 4258-03-1 is a valid CAS Registry Number.