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57204-41-8

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57204-41-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57204-41-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,2,0 and 4 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 57204-41:
(7*5)+(6*7)+(5*2)+(4*0)+(3*4)+(2*4)+(1*1)=108
108 % 10 = 8
So 57204-41-8 is a valid CAS Registry Number.

57204-41-8Downstream Products

57204-41-8Relevant academic research and scientific papers

Resolution of the non-steady-state kinetics of the elimination of HBr from 2-(p-nitrophenyl)ethyl bromide in alcohol/alkoxide media

Handoo, Kishan L.,Lu, Yun,Zhao, Yixing,Parker, Vernon D.

, p. 24 - 26 (2007/10/03)

Non-steady-state kinetic studies reveal that the elimination of HBr from 2-(p-nitrophenyl)ethyl bromide in alcohol/alkoxide media, the classical concerted E2 reaction, actually takes place by a two-step mechanism involving the intermediate formation of th

Mechanism of elimination rections. 40. Attempted study of stereochemistry of elimination from 2-(p-nitrophenyl)ethyltrimmethylammonium ion. Base-promoted cis-trans isomerization of p-nitrostyrene-β-d1

Dohner, Brent R.,Saunders, William H., Jr.

, p. 1026 - 1030 (2007/10/02)

Stereospecifically deuterated ArCHDCHDNMe3+I- and ArCHDCHDNMe2O have been prepared, where Ar=C6H5 and p-NO2C6H4.When Ar=C6H5, the elimination reaction of the quaternery salt with ethoxide in ethanol goes with >98percent anti stereoch

On the Electron Impact Induced Hydroxyl Loss from o-Nitrostyrene

Depke, Gisbert,Klose, Walter,Schwarz, Helmut,Blum, Wolfgang,Richter, Wilhelm J.

, p. 568 - 571 (2007/10/02)

Unimolecular hydroxyl (OD.) loss form regio- and stereo-specifically labelled o-nitrostyrenes 1a, 1c and 1d results in the formation of an ion which upon collisional activation gives identical mass spectra.Suggestions are made which aim at explaining: (i) the loss of stereochemical integrity of the diastereotopic methylene hydrogens in the course of hydroxyl elimination; and (ii) to account for the collision induced losses of CO and HCN from the (1+) ion.

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