240491-19-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 240491-19-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,0,4,9 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 240491-19:
(8*2)+(7*4)+(6*0)+(5*4)+(4*9)+(3*1)+(2*1)+(1*9)=114
114 % 10 = 4
So 240491-19-4 is a valid CAS Registry Number.