5103-49-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5103-49-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,0 and 3 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5103-49:
(6*5)+(5*1)+(4*0)+(3*3)+(2*4)+(1*9)=61
61 % 10 = 1
So 5103-49-1 is a valid CAS Registry Number.