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Acetaldehyde, [(4-methylphenyl)sulfonyl]-, also known as 4-methylbenzenesulfonylacetaldehyde, is an organic compound with the chemical formula C9H10O2S. It is a colorless to pale yellow liquid with a molecular weight of 186.24 g/mol. Acetaldehyde, [(4-methylphenyl)sulfonyl]- is characterized by the presence of a sulfonyl group (-SO2-) attached to a 4-methylphenyl ring and an acetaldehyde functional group. It is used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. Due to its reactivity and potential to form hazardous decomposition products, it is classified as an irritant and should be handled with care, following proper safety procedures.

6739-66-8

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6739-66-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6739-66-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,7,3 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 6739-66:
(6*6)+(5*7)+(4*3)+(3*9)+(2*6)+(1*6)=128
128 % 10 = 8
So 6739-66-8 is a valid CAS Registry Number.

6739-66-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-(4-methylphenyl)sulfonylacetaldehyde

1.2 Other means of identification

Product number -
Other names p-Tolylsulfon-acetaldehyd

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
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:6739-66-8 SDS

6739-66-8Relevant academic research and scientific papers

β-tosylethylhydroxylamine: Preparation and use as a hydroxylamine equivalent in amidyl radical-olefin cyclizations

Artman III, Gerald D.,Waldman, Jacob H.,Weinreb, Steven M.

, p. 2057 - 2063 (2007/10/03)

An efficient three-step procedure has been developed for synthesis of β-tosylethylhydroxylamine from commercially available starting material. This compound forms hydroxamic acids which undergo amidyl radical-olefin cyclizations promoted by diethyl chloro

On The Reactions of Benzeneseleninic Anhydride With Monosubstituted Hydrazones. Evidence for Radical Pathways.

Barton, Derek H. R.,Okano, Takashi,Parekh, Shyamal I.

, p. 1823 - 1836 (2007/10/02)

The known oxidation of mono-substituted hydrazones by benzeneseleninic anhydride has been studied using 77Se and 13C NMR spectroscopy.The intermediates in the reaction have been identified.Good evidence that certain steps in these reactions are radical in character has been secured.

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