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872-55-9

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872-55-9 Usage

Uses

Different sources of media describe the Uses of 872-55-9 differently. You can refer to the following data:
1. Ingredient in crude petroleum.
2. 2-Ethylthiophene?is used in production of bispyranilidenes, dithiobispyranilidenes and diselenobispyranilidene for electronic or optoelectronic components with high efficiencies.
3. 2-Ethylthiophene may be used as an analytical reference standard for the determination of the analyte in wastewater samples, diesel particulate matter and diesel fuel and industrial cooked ham by various chromatography techniques.

General Description

2-Ethylthiophene is an organosulfur compound belonging to the class of alkylated thiophenes.

Check Digit Verification of cas no

The CAS Registry Mumber 872-55-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,7 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 872-55:
(5*8)+(4*7)+(3*2)+(2*5)+(1*5)=89
89 % 10 = 9
So 872-55-9 is a valid CAS Registry Number.
InChI:InChI=1/C6H8S/c1-2-6-4-3-5-7-6/h3-5H,2H2,1H3

872-55-9 Well-known Company Product Price

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  • (Code)Product description
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  • Alfa Aesar

  • (A13372)  2-Ethylthiophene, 99%   

  • 872-55-9

  • 25g

  • 460.0CNY

  • Detail
  • Alfa Aesar

  • (A13372)  2-Ethylthiophene, 99%   

  • 872-55-9

  • 100g

  • 1544.0CNY

  • Detail
  • Aldrich

  • (E49207)  2-Ethylthiophene  97%

  • 872-55-9

  • E49207-25G

  • 881.01CNY

  • Detail

872-55-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-Ethylthiophene

1.2 Other means of identification

Product number -
Other names 2-ETHYLTHIOPHENE FOR SYNTHESIS

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. Food additives -> Flavoring Agents
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:872-55-9 SDS

872-55-9Relevant articles and documents

Metal-Organic Framework-Confined Single-Site Base-Metal Catalyst for Chemoselective Hydrodeoxygenation of Carbonyls and Alcohols

Antil, Neha,Kumar, Ajay,Akhtar, Naved,Newar, Rajashree,Begum, Wahida,Manna, Kuntal

supporting information, p. 9029 - 9039 (2021/06/28)

Chemoselective deoxygenation of carbonyls and alcohols using hydrogen by heterogeneous base-metal catalysts is crucial for the sustainable production of fine chemicals and biofuels. We report an aluminum metal-organic framework (DUT-5) node support cobalt(II) hydride, which is a highly chemoselective and recyclable heterogeneous catalyst for deoxygenation of a range of aromatic and aliphatic ketones, aldehydes, and primary and secondary alcohols, including biomass-derived substrates under 1 bar H2. The single-site cobalt catalyst (DUT-5-CoH) was easily prepared by postsynthetic metalation of the secondary building units (SBUs) of DUT-5 with CoCl2 followed by the reaction of NaEt3BH. X-ray photoelectron spectroscopy and X-ray absorption near-edge spectroscopy (XANES) indicated the presence of CoII and AlIII centers in DUT-5-CoH and DUT-5-Co after catalysis. The coordination environment of the cobalt center of DUT-5-Co before and after catalysis was established by extended X-ray fine structure spectroscopy (EXAFS) and density functional theory. The kinetic and computational data suggest reversible carbonyl coordination to cobalt preceding the turnover-limiting step, which involves 1,2-insertion of the coordinated carbonyl into the cobalt-hydride bond. The unique coordination environment of the cobalt ion ligated by oxo-nodes within the porous framework and the rate independency on the pressure of H2 allow the deoxygenation reactions chemoselectively under ambient hydrogen pressure.

Methyl Hydrazinocarboxylate as a Practical Alternative to Hydrazine in the Wolff-Kishner Reaction

Cranwell, Philippa B.,Russell, Andrew T.,Smith, Christopher D.

supporting information, p. 131 - 135 (2015/12/26)

Herein we describe a facile protocol for the reduction of aromatic ketones and aldehydes to the corresponding methylene unit. The procedure involves isolation of a carbomethoxyhydrazone intermediate that is easily decomposed to the reduced product without the requirement for large quantities of pernicious hydrazine.

Boron-Catalyzed N-Alkylation of Amines using Carboxylic Acids

Fu, Ming-Chen,Shang, Rui,Cheng, Wan-Min,Fu, Yao

supporting information, p. 9042 - 9046 (2015/08/03)

A boron-based catalyst was found to catalyze the straightforward alkylation of amines with readily available carboxylic acids in the presence of silane as the reducing agent. Various types of primary and secondary amines can be smoothly alkylated with good selectivity and good functional-group compatibility. This metal-free amine alkylation was successfully applied to the synthesis of three commercial medicinal compounds, Butenafine, Cinacalcet. and Piribedil, in a one-pot manner without using any metal catalysts.

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