55240-34-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55240-34-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,2,4 and 0 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 55240-34:
(7*5)+(6*5)+(5*2)+(4*4)+(3*0)+(2*3)+(1*4)=101
101 % 10 = 1
So 55240-34-1 is a valid CAS Registry Number.