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178941-66-7

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178941-66-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 178941-66-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,9,4 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 178941-66:
(8*1)+(7*7)+(6*8)+(5*9)+(4*4)+(3*1)+(2*6)+(1*6)=187
187 % 10 = 7
So 178941-66-7 is a valid CAS Registry Number.

178941-66-7Relevant academic research and scientific papers

Rh-catalyzed linear hydroformylation of styrene

Boymans, Evert,Janssen, Michèle,Müller, Christian,Lutz, Martin,Vogt, Dieter

, p. 137 - 142 (2013)

Usually the Rh-catalyzed hydroformylation of styrene predominantly yields the branched, chiral aldehyde. An inversion of regioselectivity can be achieved using strong π-acceptor ligands. Binaphthol-based diphosphite and bis(dipyrrolyl-phosphorodiamidite) ligands were applied in the Rh-catalyzed hydroformylation of styrene. High selectivities up to 83% of 3-phenylpropanal were obtained with 1,1-bi-2-naphthol-based bis(dipyrrolyl-phosphorodiamidite) with virtually no hydrogenation to ethyl benzene. The coordination chemistry of those ligands towards Rh(i) was investigated spectroscopically and structurally. The Royal Society of Chemistry 2013.

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