55239-80-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55239-80-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,2,3 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 55239-80:
(7*5)+(6*5)+(5*2)+(4*3)+(3*9)+(2*8)+(1*0)=130
130 % 10 = 0
So 55239-80-0 is a valid CAS Registry Number.