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444911-56-2

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444911-56-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 444911-56-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,4,9,1 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 444911-56:
(8*4)+(7*4)+(6*4)+(5*9)+(4*1)+(3*1)+(2*5)+(1*6)=152
152 % 10 = 2
So 444911-56-2 is a valid CAS Registry Number.

444911-56-2Relevant articles and documents

Manganese dioxide oxidation of hydroxylamines to nitrones

Cicchi, Stefano,Marradi, Marco,Goti, Andrea,Brandi, Alberto

, p. 6503 - 6505 (2001)

Several structurally differentiated N,N-dialkylhydroxylamines were oxidised to the corresponding nitrones using MnO2. Manganese dioxide revealed an efficient and mild reagent for oxidation of hydroxylamines, showing a level of regioselectivity

Practical synthesis of N-alkyl-N-glycosylhydroxylamines, multitalented precursors of enantiomerically pure nitrones

Cicchi, Stefano,Corsi, Massimo,Marradi, Marco,Goti, Andrea

, p. 2741 - 2743 (2007/10/03)

A practical synthesis of N-benzyl-N-glycosylhydroxylamines 3 (R=CH2Ph) is reported. The ability of these compounds to act as versatile synthetic intermediates is demonstrated by their oxidation followed by cycloaddition to N-glycosyl isoxazolidines and by the novel direct cycloaddition as masked acyclic, highly functionalized chiral nitrones.

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