2009-95-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2009-95-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,0,0 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2009-95:
(6*2)+(5*0)+(4*0)+(3*9)+(2*9)+(1*5)=62
62 % 10 = 2
So 2009-95-2 is a valid CAS Registry Number.