34103-97-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34103-97-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,1,0 and 3 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 34103-97:
(7*3)+(6*4)+(5*1)+(4*0)+(3*3)+(2*9)+(1*7)=84
84 % 10 = 4
So 34103-97-4 is a valid CAS Registry Number.