54222-78-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54222-78-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,2,2 and 2 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 54222-78:
(7*5)+(6*4)+(5*2)+(4*2)+(3*2)+(2*7)+(1*8)=105
105 % 10 = 5
So 54222-78-5 is a valid CAS Registry Number.