1823501-19-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1823501-19-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,2,3,5,0 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1823501-19:
(9*1)+(8*8)+(7*2)+(6*3)+(5*5)+(4*0)+(3*1)+(2*1)+(1*9)=144
144 % 10 = 4
So 1823501-19-4 is a valid CAS Registry Number.