Cas 1557933-34-2,C<sub>19</sub>H<sub>15</sub>OPSe

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Check Digit Verification of cas no

The CAS Registry Mumber 1557933-34-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,5,7,9,3 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1557933-34:
(9*1)+(8*5)+(7*5)+(6*7)+(5*9)+(4*3)+(3*3)+(2*3)+(1*4)=202
202 % 10 = 2
So 1557933-34-2 is a valid CAS Registry Number.

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1557933-34-2Relevant academic research and scientific papers

Novel C1-symmetric dibenzophosphole ligands: Application in hydroformylation reactions

Oukhrib, Abdelhouad,Bonnafoux, Laurence,Panossian, Armen,Waifang, Sandrine,Nguyen, Duc Hanh,Urrutigoity, Martine,Colobert, Fran?oise,Gouygou, Maryse,Leroux, Frédéric R.

, p. 1431 - 1436 (2014/02/14)

A new family of non-symmetrical disubstituted dibenzophospholes possessing different steric and electronic effects have been synthesized and characterized. Their preliminary evaluation in rhodium-catalyzed hydroformylation reactions is presented.

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