497945-13-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 497945-13-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,7,9,4 and 5 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 497945-13:
(8*4)+(7*9)+(6*7)+(5*9)+(4*4)+(3*5)+(2*1)+(1*3)=218
218 % 10 = 8
So 497945-13-8 is a valid CAS Registry Number.