50500-04-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50500-04-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,5,0 and 0 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 50500-04:
(7*5)+(6*0)+(5*5)+(4*0)+(3*0)+(2*0)+(1*4)=64
64 % 10 = 4
So 50500-04-4 is a valid CAS Registry Number.