492809

Sigma-Aldrich

5-Ethyl-2-thiophenecarboxaldehyde

98%

Empirical Formula (Hill Notation):
C7H8OS
CAS Number:
Molecular Weight:
140.20
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

98%

refractive index

n20/D 1.57 (lit.)

bp

65 °C/2 mmHg (lit.)

density

1.12 g/mL at 25 °C (lit.)

SMILES string

CCc1ccc(C=O)s1

InChI

1S/C7H8OS/c1-2-6-3-4-7(5-8)9-6/h3-5H,2H2,1H3

InChI key

CLQXZICUPGZTPE-UHFFFAOYSA-N

General description

5-Ethyl-2-thiophenecarboxaldehyde is an alkyl derivative of thiophenecarboxaldehyde. Its standard molar enthalpies of combustion and vaporization have been evaluated.

Application

5-Ethyl-2-thiophenecarboxaldehyde may be used in the preparation of 6-(butylamino)-2-(5-ethylthiophen-2-yl)-3-(4-fluorobenzyl)-2,3-dihydroquinazolin-4(1H)-one.

Packaging

2 g in glass bottle

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

Daniel W Carney et al.
Bioorganic & medicinal chemistry, 22(17), 4836-4847 (2014-08-05)
Human polyoma- and papillomaviruses are non-enveloped DNA viruses that cause severe pathologies and mortalities. Under circumstances of immunosuppression, JC polyomavirus causes a fatal demyelinating disease called progressive multifocal leukoencephalopathy (PML) and the BK polyomavirus is the etiological agent of polyomavirus-induced...
Energetics of thiophenecarboxaldehydes and some of its alkyl derivatives.
da Silva MAVR and Santos AFLOM.
The Journal of Chemical Thermodynamics, 40(6), 917-923 (2008)

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