4103-13-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4103-13-3 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, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4103-13:
(6*4)+(5*1)+(4*0)+(3*3)+(2*1)+(1*3)=43
43 % 10 = 3
So 4103-13-3 is a valid CAS Registry Number.