51115-99-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51115-99-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,1,1 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 51115-99:
(7*5)+(6*1)+(5*1)+(4*1)+(3*5)+(2*9)+(1*9)=92
92 % 10 = 2
So 51115-99-2 is a valid CAS Registry Number.