50909-97-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50909-97-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,9,0 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 50909-97:
(7*5)+(6*0)+(5*9)+(4*0)+(3*9)+(2*9)+(1*7)=132
132 % 10 = 2
So 50909-97-2 is a valid CAS Registry Number.