29163-23-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 29163-23-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,1,6 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 29163-23:
(7*2)+(6*9)+(5*1)+(4*6)+(3*3)+(2*2)+(1*3)=113
113 % 10 = 3
So 29163-23-3 is a valid CAS Registry Number.