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10424-68-7

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10424-68-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 10424-68-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,4,2 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 10424-68:
(7*1)+(6*0)+(5*4)+(4*2)+(3*4)+(2*6)+(1*8)=67
67 % 10 = 7
So 10424-68-7 is a valid CAS Registry Number.

10424-68-7Relevant articles and documents

Palladium-catalyzed one-step synthesis of symmetrical diaryl sulfones from aryl halides and a sulfur dioxide surrogate

Tanaka, Hiromichi,Konishi, Hideyuki,Manabe, Kei

supporting information, p. 760 - 763 (2019/08/02)

A convenient method for the one-step synthesis of symmetrical diaryl sulfones from aryl halides has been developed. A keystone of the method is the use of K2S2O5, which can be easily and safely handled, as a sulfur dioxide surrogate. The palladium catalyst bearing P(t-Bu)3 as a ligand enables formation of the desired sulfones without significant formation of byproducts.

The 'Inverse Electron-demand' Diels-Ader Reaction in Polymer Synthesis. Part 1. A Convenient Synthetic Route to Diethynyl Aromatic Compounds

Royles, Brodyck J. L.,Smith, David M.

, p. 355 - 358 (2007/10/02)

The simple procedure whereby acetophenone derivatives are converted, by reaction with phosphoryl chloride and N,N-dimethylformamide, into β-chlorocinnamaldehydes, and thence, by base-induced elimination, into ethynylarenes, has been extended to diketones of the type MeCOC6H4COMe (m- and p-) and (p-MeCOC6H4)2X (X = O, S, SO2, CH2, CO, or a single bond): the corresponding diethynyl compounds are obtained by this route in acceptable yield. 1,3,5-Triacetylbenzene is similarly converted into 1,3,5-triethynylbenzene.

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