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Pyridine, 2-ethoxy-, 1-oxide, also known as 2-ethoxypyridine N-oxide, is an organic compound with the chemical formula C7H9NO2. It is a derivative of pyridine, a heterocyclic aromatic compound consisting of a six-membered ring with one nitrogen atom. In this specific compound, an ethoxy group (C2H5O) is attached to the 2-position of the pyridine ring, and an oxide group (O) is present at the nitrogen atom, forming a pyridine N-oxide. Pyridine, 2-ethoxy-, 1-oxide is used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. It is typically synthesized through the oxidation of 2-ethoxypyridine using an oxidizing agent such as hydrogen peroxide or m-chloroperoxybenzoic acid. Due to its reactivity and potential applications, 2-ethoxypyridine N-oxide is an important compound in the field of organic chemistry.

3445-09-8

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3445-09-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3445-09-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,4,4 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3445-09:
(6*3)+(5*4)+(4*4)+(3*5)+(2*0)+(1*9)=78
78 % 10 = 8
So 3445-09-8 is a valid CAS Registry Number.

3445-09-8Downstream Products

3445-09-8Relevant academic research and scientific papers

Generation of Sulfenate Salts via Ipso-substitution of Azaheterocyclic Sulfoxides. First Preparation and Characterization of Sodium 2-Pyridinesulfenate

Furukawa, Naomichi,Konno, Yasuo,Tsuruoka, Masayuki,Fujihara, Hisashi,Ogawa, Satoshi

, p. 1501 - 1504 (2007/10/02)

2-Alkyl- or 2-aryl-sulfinylpyridine N-oxides undergo ipsosubstitution reaction with sodium ethoxide to afford sodium sulfenates which were converted soon to the corresponding sulfinates upon contact with oxygen.Sodium 2-pyridinesulfenate was prepared and characterized by FT-IR as the first example of stable sulfenate.

A CONVENIENT PREPARATION OF SULFINIC ACIDS BY THE REACTION OF 2-SULFONYLPYRIDINES AND THEIR N-OXIDES WITH NUCLEOPHILES

Furukawa, Naomichi,Tsuruoka, Masayuki,Fujihara, Hisashi

, p. 3019 - 3022 (2007/10/02)

Ipso-substitution reaction of 2-sulfonylpyridines and their N-oxides with alkoxide or thiolate anion afforded the sodium salts of sulfinic acids together with the corresponding substitution product in high yields.This procedure becomes a convenient and versatile method for preparation of various sulfinic acids.

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