17288-31-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17288-31-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,2,8 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 17288-31:
(7*1)+(6*7)+(5*2)+(4*8)+(3*8)+(2*3)+(1*1)=122
122 % 10 = 2
So 17288-31-2 is a valid CAS Registry Number.