240799-57-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 240799-57-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,0,7,9 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 240799-57:
(8*2)+(7*4)+(6*0)+(5*7)+(4*9)+(3*9)+(2*5)+(1*7)=159
159 % 10 = 9
So 240799-57-9 is a valid CAS Registry Number.