98030-19-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98030-19-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,0,3 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 98030-19:
(7*9)+(6*8)+(5*0)+(4*3)+(3*0)+(2*1)+(1*9)=134
134 % 10 = 4
So 98030-19-4 is a valid CAS Registry Number.