7103-48-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7103-48-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,0 and 3 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 7103-48:
(6*7)+(5*1)+(4*0)+(3*3)+(2*4)+(1*8)=72
72 % 10 = 2
So 7103-48-2 is a valid CAS Registry Number.