55504-34-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55504-34-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,5,0 and 4 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 55504-34:
(7*5)+(6*5)+(5*5)+(4*0)+(3*4)+(2*3)+(1*4)=112
112 % 10 = 2
So 55504-34-2 is a valid CAS Registry Number.