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4-Methylphenyl trifluoromethyl sulphoxide, also known as 4-methylbenzenesulfonyl trifluoride or 4-tolyl trifluoromethyl sulfoxide, is an organosulfur compound with the chemical formula C8H7F3OS. It is a colorless to pale yellow liquid that is soluble in organic solvents. 4-Methylphenyl trifluoromethyl sulphoxide is characterized by the presence of a 4-methylphenyl group (a benzene ring with a methyl group at the 4-position) and a trifluoromethyl sulphoxide group. It is synthesized by the reaction of 4-methylphenyl trifluoromethyl sulphone with a reducing agent, such as zinc or iron, in the presence of an acid. 4-Methylphenyl trifluoromethyl sulphoxide is used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds due to its reactivity and unique functional groups. It is also known for its potential applications in the preparation of sulfonamides and other sulfur-containing compounds.

2189-43-7

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2189-43-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2189-43-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,8 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2189-43:
(6*2)+(5*1)+(4*8)+(3*9)+(2*4)+(1*3)=87
87 % 10 = 7
So 2189-43-7 is a valid CAS Registry Number.

2189-43-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-methyl-4-(trifluoromethylsulfinyl)benzene

1.2 Other means of identification

Product number -
Other names 4-methylphenyl trifluoromethyl sulfoxide

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

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More Details:2189-43-7 SDS

2189-43-7Relevant academic research and scientific papers

Aryltrifluoromethylsulfoxides: Sulfinylation of aromatics by triflinate salts in acid medium

Wakselman,Tordeux,Freslon,Saint-Jalmes

, p. 550 - 552 (2007/10/03)

Direct sulfinylation reaction of simple aromatic compounds by triflinate salts in triflic acid led to aryltrifluoromethyl sulfoxides. The para isomer was the major one. The regioselectivity of the reaction was very high when the substituent on the aromatic ring was a halogen atom, a trifluoromethoxy group or an acetanilide function.

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