55423-18-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55423-18-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,4,2 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 55423-18:
(7*5)+(6*5)+(5*4)+(4*2)+(3*3)+(2*1)+(1*8)=112
112 % 10 = 2
So 55423-18-2 is a valid CAS Registry Number.