1258-04-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1258-04-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,5 and 8 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1258-04:
(6*1)+(5*2)+(4*5)+(3*8)+(2*0)+(1*4)=64
64 % 10 = 4
So 1258-04-4 is a valid CAS Registry Number.