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2-Chloro benzene sulfinic acid ethyl ester is an organic compound with the chemical formula C8H9ClO2S. It is a colorless to pale yellow liquid that is soluble in organic solvents. 2-chloro benzene sulfinic acid ethyl ester is an ester derivative of 2-chloro benzene sulfinic acid, where the hydroxyl group is replaced by an ethoxy group. It is synthesized by reacting 2-chloro benzene sulfinic acid with ethanol in the presence of an acid catalyst. 2-Chloro benzene sulfinic acid ethyl ester is used as an intermediate in the production of various pharmaceuticals, agrochemicals, and other organic compounds due to its versatile chemical properties. It is also known for its potential applications in the synthesis of dyes and pigments.

1858-88-4

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1858-88-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1858-88-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,5 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1858-88:
(6*1)+(5*8)+(4*5)+(3*8)+(2*8)+(1*8)=114
114 % 10 = 4
So 1858-88-4 is a valid CAS Registry Number.

1858-88-4Downstream Products

1858-88-4Relevant academic research and scientific papers

Iodine-catalyzed sulfuration of isoquinolin-1(2H)-ones applying ethyl sulfinates

Mu, Yangxiu,Yang, Minghua,Li, Fengxia,Iqbal, Zafar,Jiang, Rui,Hou, Jing,Guo, Xin,Yang, Zhixiang,Tang, Dong

supporting information, p. 4934 - 4937 (2021/03/26)

An efficient sulfuration of isoquinolin-1(2H)-ones at the C-4 position is reported by employing ethyl sulfinates, and the corresponding products are obtained in moderate to excellent yields in the presence of iodine. This synthetic strategy provides a range of thioether-isoquinolin-1(2H)-ones while tolerating a number of functional groups on the isoquinoline nitrogen atom and benzene ring. In addition, pyridin-2(1H)-one is also reacted smoothly and afforded the corresponding thioether product in moderate yield. A plausible mechanism is suggested based on the preliminary mechanistic studies.

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