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131652

Sigma-Aldrich

Pyridine N-oxide

95%

Sinonimo/i:

Pyridine oxide

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CHF 40.60
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25 G
CHF 40.60
100 G
CHF 90.80

About This Item

Formula empirica (notazione di Hill):
C5H5NO
Numero CAS:
694-59-7
Peso molecolare:
95.10
Beilstein:
105257
Numero CE:
211-774-6
Numero MDL:
MFCD00006194
Codice UNSPSC:
12352100
ID PubChem:
24848028
NACRES:
NA.22

CHF 40.60

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Livello qualitativo

100

Saggio

95%

Stato

solid

P. ebollizione

270 °C (lit.)

Punto di fusione

62-67 °C (lit.)

Stringa SMILE

[O-][n+]1ccccc1

InChI

1S/C5H5NO/c7-6-4-2-1-3-5-6/h1-5H
ILVXOBCQQYKLDS-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

Pyridine N-oxide axle with [2]rotaxanes was synthesized via an anion templated threading-followed-by-stoppering strategy[1].

Applicazioni

Pyridine N-oxide was used to study the FTIR spectra of pyridine N-oxide in acetonitrile[2].

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

289.4 °F - closed cup

Punto d’infiammabilità (°C)

143 °C - closed cup

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

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Certificati d'analisi (COA)

Lot/Batch Number
WXBF5351V
WXBF4147V
WXBF0278V
WXBF2220V
WXBD7748V

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G Pitsevich et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 120, 585-594 (2014-01-01)
FTIR spectra of pyridine N-oxide and trichloroacetic acid H-bonded complex in acetonitrile were studied at 20 and 50°C. The calculations of equilibrium configurations of the complex and their IR spectra in harmonic- and anharmonic approximations were carried out at the
Highly efficient gold nanoparticle catalyzed deoxygenation of amides, sulfoxides, and pyridine N-oxides.
Yusuke Mikami et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 17(6), 1768-1772 (2011-01-29)
Jan Balzarini et al.
The Journal of antimicrobial chemotherapy, 55(2), 135-138 (2005-01-15)
Pyridine N-oxide derivatives represent a new class of anti-HIV compounds, for which some members exclusively act through inhibition of HIV-1 reverse transcriptase and thus characteristically behave as non-nucleoside reverse transcriptase inhibitors. Other members act, additionally or alternatively, at a post-integrational
Masahito Murai et al.
Chemical communications (Cambridge, England), 48(61), 7622-7624 (2012-06-26)
Gold(I)-catalysed tandem oxygen-transfer/cycloisomerisation reaction of 2-(2-propynyl)pyridine N-oxides provides an atom-economical route to indolizinone frameworks.
Munawar Hussain et al.
Organic letters, 15(1), 54-57 (2012-12-22)
The synthesis of optically active piperidines by enantioselective addition of aryl Grignard reagents to pyridine N-oxides and lithium binolate followed by reduction is reported for the first time. The reaction results in high yields (51-94%) in combination with good ee
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Questions

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  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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