42050-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42050-05-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,0,5 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 42050-05:
(7*4)+(6*2)+(5*0)+(4*5)+(3*0)+(2*0)+(1*5)=65
65 % 10 = 5
So 42050-05-5 is a valid CAS Registry Number.