55504-80-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55504-80-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,5,0 and 4 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 55504-80:
(7*5)+(6*5)+(5*5)+(4*0)+(3*4)+(2*8)+(1*0)=118
118 % 10 = 8
So 55504-80-8 is a valid CAS Registry Number.