54340-16-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54340-16-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,3,4 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 54340-16:
(7*5)+(6*4)+(5*3)+(4*4)+(3*0)+(2*1)+(1*6)=98
98 % 10 = 8
So 54340-16-8 is a valid CAS Registry Number.