81253-56-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81253-56-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,5 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 81253-56:
(7*8)+(6*1)+(5*2)+(4*5)+(3*3)+(2*5)+(1*6)=117
117 % 10 = 7
So 81253-56-7 is a valid CAS Registry Number.
81253-56-7Relevant articles and documents
Indole as a scaffold for anion recognition
Pfeffer, Frederick M.,Lim, Kieren F.,Sedgwick, Kathryn J.
, p. 1795 - 1799 (2007)
Indole has an acidic N-H that can be used to form hydrogen bonds to anions and in this paper the synthesis of three new suitably functionalised indole based anion receptors is presented along with their evaluation using 1H NMR titration techniq
