17240-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17240-81-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,2,4 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 17240-81:
(7*1)+(6*7)+(5*2)+(4*4)+(3*0)+(2*8)+(1*1)=92
92 % 10 = 2
So 17240-81-2 is a valid CAS Registry Number.