50921-71-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50921-71-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,9,2 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 50921-71:
(7*5)+(6*0)+(5*9)+(4*2)+(3*1)+(2*7)+(1*1)=106
106 % 10 = 6
So 50921-71-6 is a valid CAS Registry Number.