494759-57-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 494759-57-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,4,7,5 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 494759-57:
(8*4)+(7*9)+(6*4)+(5*7)+(4*5)+(3*9)+(2*5)+(1*7)=218
218 % 10 = 8
So 494759-57-8 is a valid CAS Registry Number.