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1-oxo-2-(4-nitrophenylimino)-3-pyridinium-4-naphthoxide is a complex organic compound with the molecular formula C20H12N3O4. It is characterized by a pyridinium ring, which is a nitrogen-containing aromatic ring, and a naphthoxide group, which is derived from naphthalene. The compound features a 4-nitrophenyl group attached to the pyridinium ring through an imino linkage, and the 1-oxo group indicates the presence of a carbonyl group. This chemical is known for its potential applications in the field of organic synthesis and as a building block for more complex molecules. Its structure and properties make it a subject of interest in chemical research, particularly in the development of new materials and pharmaceuticals.

75125-21-2

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75125-21-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75125-21-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,1,2 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 75125-21:
(7*7)+(6*5)+(5*1)+(4*2)+(3*5)+(2*2)+(1*1)=112
112 % 10 = 2
So 75125-21-2 is a valid CAS Registry Number.

75125-21-2Relevant academic research and scientific papers

Quinone Chemistry. Reaction of 2,3-Dichloro-1,4-naphthoquinone with Arylamines in Pyridine

Agarwal, Nand L.,Schaefer, Wolfram

, p. 5139 - 5143 (2007/10/02)

2,3-Dichloro-1,4-naphthoquinone (1) reacts with arylamines (2) in pyridine to afford 2-(arylamino)-3-chloro-1,4-naphthoquinone (6), 2-(arylamino)-1,4-naphthoquinone (5), 2-(arylamino)-1,4-naphthoquinone-3-pyridinium perchlorate (4), and 2-amino-1,4-naphth

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