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131101-28-5

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131101-28-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131101-28-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,1,0 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 131101-28:
(8*1)+(7*3)+(6*1)+(5*1)+(4*0)+(3*1)+(2*2)+(1*8)=55
55 % 10 = 5
So 131101-28-5 is a valid CAS Registry Number.

131101-28-5Relevant articles and documents

Enzyme-catalysed synthesis and absolute configuration assignments of cis-dihydrodiol metabolites from 1,4-disubstituted benzenes

Boyd, Derek R.,Sharma, Narain D.,Coen, Gerard P.,Gray, Peter J.,Malone, John F.,Gawronski, Jacek

, p. 5804 - 5811 (2008/02/13)

A series of ten cis-dihydrodiol metabolites has been obtained by bacterial biotransformation of the corresponding 1,4-disubstituted benzene substrates using Pseudomonas putida UV4, a source of toluene dioxygenase (TDO). Their enantiomeric excess (ee) values have been established using chiral stationary phase HPLC and 1H NMR spectroscopy. Absolute con_figurations of the majority of cis-dihydrodiols have been established using stereochemical correlation and X-ray crystallography and the remainder have been tentatively assigned using NMR spectroscopic methods but finally confirmed by circular dichroism (CD) spectroscopy. These configurational assignments support and extend the validity of an empirical model, previously used to predict the preferred stereochemistry of TDO-catalysed cis-dihydroxylation of ten 1,4-disubstituted benzene substrates, to more than twenty-five examples.

Enantiomeric Excess and Absolute Configuration Determination of cis-Dihydrodiols from Bacterial Metabolism of Monocyclic Arenes

Boyd, D. R.,Dorrity, M. R. J.,Hand, M. V.,Malone, J. F.,Sharma, N. D.,et al.

, p. 666 - 667 (2007/10/02)

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