80545-55-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80545-55-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,5,4 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 80545-55:
(7*8)+(6*0)+(5*5)+(4*4)+(3*5)+(2*5)+(1*5)=127
127 % 10 = 7
So 80545-55-7 is a valid CAS Registry Number.