80554-85-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80554-85-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,5,5 and 4 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 80554-85:
(7*8)+(6*0)+(5*5)+(4*5)+(3*4)+(2*8)+(1*5)=134
134 % 10 = 4
So 80554-85-4 is a valid CAS Registry Number.