34909-25-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34909-25-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,9,0 and 9 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 34909-25:
(7*3)+(6*4)+(5*9)+(4*0)+(3*9)+(2*2)+(1*5)=126
126 % 10 = 6
So 34909-25-6 is a valid CAS Registry Number.