50516-65-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50516-65-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,5,1 and 6 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 50516-65:
(7*5)+(6*0)+(5*5)+(4*1)+(3*6)+(2*6)+(1*5)=99
99 % 10 = 9
So 50516-65-9 is a valid CAS Registry Number.