51207-57-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51207-57-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,2,0 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 51207-57:
(7*5)+(6*1)+(5*2)+(4*0)+(3*7)+(2*5)+(1*7)=89
89 % 10 = 9
So 51207-57-9 is a valid CAS Registry Number.
51207-57-9Relevant academic research and scientific papers
A convenient synthesis of 2-nitrophenols from 1,2-dichlorobenzenes
Zilberman,Ioffe,Gozlan
, p. 659 - 660 (2007/10/02)
Aromatic nucleophilic substitution of 1,2-dichlorobenzenes 1 possessing a strong electron-withdrawing group in the 4-position with a nitrite ion give the corresponding 2-nitrophenols 5.
