23429-05-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23429-05-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,4,2 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 23429-05:
(7*2)+(6*3)+(5*4)+(4*2)+(3*9)+(2*0)+(1*5)=92
92 % 10 = 2
So 23429-05-2 is a valid CAS Registry Number.