4103-04-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4103-04-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,0 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4103-04:
(6*4)+(5*1)+(4*0)+(3*3)+(2*0)+(1*4)=42
42 % 10 = 2
So 4103-04-2 is a valid CAS Registry Number.