34403-80-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34403-80-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,4,0 and 3 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 34403-80:
(7*3)+(6*4)+(5*4)+(4*0)+(3*3)+(2*8)+(1*0)=90
90 % 10 = 0
So 34403-80-0 is a valid CAS Registry Number.