34103-63-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34103-63-4 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, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 34103-63:
(7*3)+(6*4)+(5*1)+(4*0)+(3*3)+(2*6)+(1*3)=74
74 % 10 = 4
So 34103-63-4 is a valid CAS Registry Number.