42003-62-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42003-62-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,0,0 and 3 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 42003-62:
(7*4)+(6*2)+(5*0)+(4*0)+(3*3)+(2*6)+(1*2)=63
63 % 10 = 3
So 42003-62-3 is a valid CAS Registry Number.