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Methanesulfonic acid, trichloro-, phenyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138373-05-4

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138373-05-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138373-05-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,3,7 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 138373-05:
(8*1)+(7*3)+(6*8)+(5*3)+(4*7)+(3*3)+(2*0)+(1*5)=134
134 % 10 = 4
So 138373-05-4 is a valid CAS Registry Number.

138373-05-4Relevant academic research and scientific papers

Sulfonyl Esters. IV. The Preparation of Aryl Dichloromethane- and Trichloromethane-sulfonate Esters

Langler, Richard Francis,LeBlanc, Lynne Michelle,Smith, Lana Louise

, p. 1085 - 1091 (2007/10/02)

The chlorination of carbanions stabilized by a sulfonate linkage has been examined.The goal of effective one-pot conversion of phenols into aryl dichloromethanesulfonates and aryl trichloromethanesulfonates was realized by using p-methylsulfonylphenyl chl

Sulfonyl esters. 3. The formation of sulfone-sulfonates in the reactions of aryl methanesulfonates with sodium borohydride

Baum, James Clayton,Durkin, Kathleen Anne,Precedo, Laura,O'Blenes, Stacy Brian,Goehl, John Edward,et al.

, p. 2127 - 2135 (2007/10/02)

Sodium hydride reductions of aryl methanesulfonates afford dimeric sulfone-sulfonate esters as well as products arising from SO bond rupture.SO bond rupture becomes more competitive as the LUMO energy of the sulfonate ester declines.Exploration of the chemistry of a sulfone-sulfonate ester revealed a complex novel reaction that resulted in the formation of, inter alia, a dichloromethanesulfonate ester and a trichloromethanesulfonate aster.The first succesful approaches to the synthesis of the heretofore unknown trichloromethanesulfonates and dichloromethanesulfonates are reported.Key words: sodium hydride reductions, sulfenes, sulfone-sulfonate esters.

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