42302-04-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42302-04-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,3,0 and 2 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 42302-04:
(7*4)+(6*2)+(5*3)+(4*0)+(3*2)+(2*0)+(1*4)=65
65 % 10 = 5
So 42302-04-5 is a valid CAS Registry Number.