80972-05-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80972-05-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,7 and 2 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 80972-05:
(7*8)+(6*0)+(5*9)+(4*7)+(3*2)+(2*0)+(1*5)=140
140 % 10 = 0
So 80972-05-0 is a valid CAS Registry Number.