54317-83-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54317-83-8 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, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 54317-83:
(7*5)+(6*4)+(5*3)+(4*1)+(3*7)+(2*8)+(1*3)=118
118 % 10 = 8
So 54317-83-8 is a valid CAS Registry Number.