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chloro-acetic acid 1-(dimethoxy-phosphoryl)-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

187973-23-5

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187973-23-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 187973-23-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,9,7 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 187973-23:
(8*1)+(7*8)+(6*7)+(5*9)+(4*7)+(3*3)+(2*2)+(1*3)=195
195 % 10 = 5
So 187973-23-5 is a valid CAS Registry Number.

187973-23-5Relevant academic research and scientific papers

Synthesis and dealkylation of 1 -(dichloro-phenoxyacetoxy) alkyl phosphonates

He, Hongwu,Liu, Xufeng,Hu, Liming,Wang, Siquan,Liu, Zhaojie

, p. 633 - 636 (1999)

Using the silylation procedure with chlorotrimethylsilane/sodium iodide followed by alcoholysis, 1-(dichlorophenoxy acetoxy)alkyl phosphonic acid dimethyl esters can be transformed into the parent phosphonic acids without influence on carboxylate ester group.

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