51409-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51409-99-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,4,0 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 51409-99:
(7*5)+(6*1)+(5*4)+(4*0)+(3*9)+(2*9)+(1*9)=115
115 % 10 = 5
So 51409-99-5 is a valid CAS Registry Number.