220048-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220048-54-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,0,4 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 220048-54:
(8*2)+(7*2)+(6*0)+(5*0)+(4*4)+(3*8)+(2*5)+(1*4)=84
84 % 10 = 4
So 220048-54-4 is a valid CAS Registry Number.