50421-32-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50421-32-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,4,2 and 1 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 50421-32:
(7*5)+(6*0)+(5*4)+(4*2)+(3*1)+(2*3)+(1*2)=74
74 % 10 = 4
So 50421-32-4 is a valid CAS Registry Number.