55218-08-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55218-08-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,2,1 and 8 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 55218-08:
(7*5)+(6*5)+(5*2)+(4*1)+(3*8)+(2*0)+(1*8)=111
111 % 10 = 1
So 55218-08-1 is a valid CAS Registry Number.