23489-17-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23489-17-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,4,8 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 23489-17:
(7*2)+(6*3)+(5*4)+(4*8)+(3*9)+(2*1)+(1*7)=120
120 % 10 = 0
So 23489-17-0 is a valid CAS Registry Number.