5801-19-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5801-19-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,8,0 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5801-19:
(6*5)+(5*8)+(4*0)+(3*1)+(2*1)+(1*9)=84
84 % 10 = 4
So 5801-19-4 is a valid CAS Registry Number.