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Key Documents

230138

Sigma-Aldrich

Oxazole

98%

Synonym(s):

1,3-Oxazole, 3-Azafuran

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About This Item

Empirical Formula (Hill Notation):
C3H3NO
CAS Number:
Molecular Weight:
69.06
Beilstein:
103851
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

98%

refractive index

n20/D 1.425 (lit.)

bp

69-70 °C (lit.)

mp

−87-−84 °C (lit.)

density

1.05 g/mL at 25 °C (lit.)

SMILES string

c1cocn1

InChI

1S/C3H3NO/c1-2-5-3-4-1/h1-3H

InChI key

ZCQWOFVYLHDMMC-UHFFFAOYSA-N

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General description

Oxazole is the parent molecule for a large class of heterocyclic aromatic compounds. It is a weak base that can be used as an electron-deficient diene in the Diels-Alder cycloaddition reaction. It undergoes nitration, sulfonation, halogenation, Friedel-Crafts alkylation, and acylation.

Pictograms

FlameCorrosion

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Eye Dam. 1 - Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

66.2 °F - closed cup

Flash Point(C)

19 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Marta Cegłowska et al.
Marine drugs, 18(9) (2020-09-02)
Cyanobactins are a large family of ribosomally synthesized and post-translationally modified cyanopeptides (RiPPs). Thus far, over a hundred cyanobactins have been detected in different free-living and symbiotic cyanobacteria. The majority of these peptides have a cyclic structure. The occurrence of
Lori M Culberson et al.
Physical chemistry chemical physics : PCCP, 16(9), 3964-3972 (2014-01-22)
Bond breaking is a challenging problem in both experimental and theoretical chemistry, due to the transient nature and multi-configurational electronic structure of dissociating molecules. We use anion photodetachment to probe the diradical interactions in the ring-opening reaction of oxazole and
Fengjiao Zhang et al.
Toxicological sciences : an official journal of the Society of Toxicology, 140(1), 118-134 (2014-04-23)
The generation of reactive oxygen species (ROS) has been implicated in the pathogenesis of renal ischemia/reperfusion injury, and many other pathological conditions. DNA strand breaks caused by ROS lead to the activation of poly(ADP-ribose)polymerase-1 (PARP-1), the excessive activation of which

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