50305-74-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50305-74-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,3,0 and 5 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 50305-74:
(7*5)+(6*0)+(5*3)+(4*0)+(3*5)+(2*7)+(1*4)=83
83 % 10 = 3
So 50305-74-3 is a valid CAS Registry Number.