34049-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34049-20-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,0,4 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 34049-20:
(7*3)+(6*4)+(5*0)+(4*4)+(3*9)+(2*2)+(1*0)=92
92 % 10 = 2
So 34049-20-2 is a valid CAS Registry Number.