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Sigma-Aldrich

2H-Pyran-2-on

90%

Synonym(e):

2-Pyron

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About This Item

Empirische Formel (Hill-System):
C5H4O2
CAS-Nummer:
504-31-4
Molekulargewicht:
96.08
Beilstein:
1511
EG-Nummer:
207-990-5
MDL-Nummer:
MFCD00006639
UNSPSC-Code:
12352100
PubChem Substanz-ID:
24869900
NACRES:
NA.22

Assay

90%

Brechungsindex

n20/D 1.53 (lit.)

bp

102-103 °C/20 mmHg (lit.)

Dichte

1.197 g/mL at 25 °C (lit.)

Lagertemp.

2-8°C

SMILES String

O=C1OC=CC=C1

InChI

1S/C5H4O2/c6-5-3-1-2-4-7-5/h1-4H

InChIKey

ZPSJGADGUYYRKE-UHFFFAOYSA-N

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Verwandte Kategorien

Allgemeine Beschreibung

2H-Pyran-2-one (a-Pyrone) is a heterocyclic building block. Photochemistry of 2H-pyran-2-one has been investigated by laser flash photolysis with infrared detection. Ketene and a bicyclic lactone were obtained as major photoproducts.

Verpackung

Bottomless glass bottle. Contents are inside inserted fused cone.

Sonstige Hinweise

Store at 2-8°C

Lagerklassenschlüssel

10 - Combustible liquids

WGK

WGK 3

Flammpunkt (°F)

201.2 °F - closed cup

Flammpunkt (°C)

94 °C - closed cup

Persönliche Schutzausrüstung

Eyeshields, Gloves

Analysenzertifikate (COA)

Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.

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Solution photochemistry of 2H-pyran-2-one: laser flash photolysis with infrared detection of transients.
Arnold BR, et al.
Journal of the American Chemical Society, 115(4), 1576-1577 (1993)
T J Ord et al.
Journal of evolutionary biology, 28(11), 1948-1964 (2015-08-04)
The existence of elaborate ornamental structures in males is often assumed to reflect the outcome of female mate choice for showy males. However, female mate choice appears weak in many iguanian lizards, but males still exhibit an array of ornament-like
April M Wright et al.
Journal of experimental zoology. Part B, Molecular and developmental evolution, 324(6), 504-516 (2015-08-01)
Changes in parity mode between egg-laying (oviparity) and live-bearing (viviparity) have occurred repeatedly throughout vertebrate evolution. Oviparity is the ancestral amniote state, and viviparity has evolved many times independently within amniotes (especially in lizards and snakes), with possibly a few
Fabrizio Carta et al.
Bioorganic & medicinal chemistry letters, 22(1), 267-270 (2011-12-06)
The inhibition of the zinc enzyme carbonic anhydrase (CA, EC 4.2.1.1) with (thio)coumarins has been recently reported (Maresca et al., J. Am. Chem. Soc. 2009, 131, 3057). Here we demonstrate that a series of γ- and δ-(thio)lactones also act as
Yuanlong Wu et al.
Scientific reports, 5, 9608-9608 (2015-06-06)
To understand the mechanisms of male sterility in cotton (Gossypium spp.), combined histological, biochemical and transcription analysis using RNA-Seq was carried out in the anther of the single-gene recessive genic male sterility system of male sterile line 1355A and male
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