72309-95-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72309-95-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,3,0 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 72309-95:
(7*7)+(6*2)+(5*3)+(4*0)+(3*9)+(2*9)+(1*5)=126
126 % 10 = 6
So 72309-95-6 is a valid CAS Registry Number.