50489-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50489-63-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,4,8 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 50489-63:
(7*5)+(6*0)+(5*4)+(4*8)+(3*9)+(2*6)+(1*3)=129
129 % 10 = 9
So 50489-63-9 is a valid CAS Registry Number.