54322-80-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54322-80-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,3,2 and 2 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 54322-80:
(7*5)+(6*4)+(5*3)+(4*2)+(3*2)+(2*8)+(1*0)=104
104 % 10 = 4
So 54322-80-4 is a valid CAS Registry Number.