50996-71-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50996-71-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,9,9 and 6 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 50996-71:
(7*5)+(6*0)+(5*9)+(4*9)+(3*6)+(2*7)+(1*1)=149
149 % 10 = 9
So 50996-71-9 is a valid CAS Registry Number.