1024140-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1024140-19-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,4,1,4 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1024140-19:
(9*1)+(8*0)+(7*2)+(6*4)+(5*1)+(4*4)+(3*0)+(2*1)+(1*9)=79
79 % 10 = 9
So 1024140-19-9 is a valid CAS Registry Number.