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4-chloro-3-oxo-2-(triphenyl-λ5-phosphanylidene)butanenitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

20341-88-2

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20341-88-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20341-88-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,3,4 and 1 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 20341-88:
(7*2)+(6*0)+(5*3)+(4*4)+(3*1)+(2*8)+(1*8)=72
72 % 10 = 2
So 20341-88-2 is a valid CAS Registry Number.

20341-88-2Relevant academic research and scientific papers

Process of preparing α-keto (cyanomethylene)triphenylphosphoranes using xanthate compounds

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Paragraph 0073; 0084-0085, (2016/10/09)

The present invention relates to a preparation method of an andalpha;-keto (cyanomethylene)triphenylphosphorane compound using a novel xanthate compound and an olefin compound. According to the present invention, an andalpha;-keto (cyanomethylene)tripheny

A new synthesis of triphenylphosphorane ylide precursors to α-keto amide/ester and tricarbonyl units via horner-wadsworth-emmons reaction

Lee, Kieseung

experimental part, p. 2776 - 2782 (2012/04/17)

Newly developed Horner-Wadsworth-Emmons (HWE) reagents 5 having triphenylphosphorane ylide subunits readily condensed with various carbonyl compounds under mild reaction conditions to afford β,γ-unsaturated α-keto triphenylphorane ylides in good to excell

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