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290827-84-8

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290827-84-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 290827-84-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,0,8,2 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 290827-84:
(8*2)+(7*9)+(6*0)+(5*8)+(4*2)+(3*7)+(2*8)+(1*4)=168
168 % 10 = 8
So 290827-84-8 is a valid CAS Registry Number.

290827-84-8Relevant articles and documents

New approaches to fluorinated ligands and their application in catalysis

Chen, Weiping,Xu, Lijin,Hu, Yulai,Banet Osuna, Anna M,Xiao, Jianliang

, p. 3889 - 3899 (2007/10/03)

Simple and generic approaches to fluorous soluble ligands have been developed and applied to the synthesis of various fluorinated arylphosphines including polymeric ones. The utility of some of these ligands has been demonstrated in catalysis in supercritical CO2 (scCO2) and fluorous solvents.

Separation of "light fluorous" reagents and catalysts by fluorous solid-phase extraction: Synthesis and study of a family of triarylphosphines bearing linear and branched fluorous tags

Zhang,Luo,Curran

, p. 8866 - 8873 (2007/10/03)

Practical syntheses of new triarylphosphines bearing both linear and branched fluorous tags (Rf) are reported. The phosphines have one, two, or all three aryl rings bearing fluorous tags: (Ph)3-nP(C6H4 (CH2)mRf)n. Fluorous-organic partition coefficients have been measured and the retention properties of both the phosphines and the derived phosphine oxides on fluorous reverse phase silica have been studied. While applications relying on liquid-liquid extractive separations of these phosphines may be limited to those bearing three fluorous chains, the technique of solid phase extraction should be broadly applicable to phosphines, phosphine oxides, and derived metal complexes. A parallel platinum-catalyzed allylation of aldehydes with fluorous allyl stannanes illustrates the usefulness of the new fluorous ligands in small-scale synthesis.

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