80972-52-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80972-52-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,7 and 2 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 80972-52:
(7*8)+(6*0)+(5*9)+(4*7)+(3*2)+(2*5)+(1*2)=147
147 % 10 = 7
So 80972-52-7 is a valid CAS Registry Number.