42448-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42448-05-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,4,4 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 42448-05:
(7*4)+(6*2)+(5*4)+(4*4)+(3*8)+(2*0)+(1*5)=105
105 % 10 = 5
So 42448-05-5 is a valid CAS Registry Number.