54317-79-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54317-79-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,3,1 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 54317-79:
(7*5)+(6*4)+(5*3)+(4*1)+(3*7)+(2*7)+(1*9)=122
122 % 10 = 2
So 54317-79-2 is a valid CAS Registry Number.