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25891-89-8

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25891-89-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25891-89-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,8,9 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 25891-89:
(7*2)+(6*5)+(5*8)+(4*9)+(3*1)+(2*8)+(1*9)=148
148 % 10 = 8
So 25891-89-8 is a valid CAS Registry Number.

25891-89-8Downstream Products

25891-89-8Relevant articles and documents

Pallado-catalysed P-arylations and P-vinylation of 2-hydrogeno-2-oxo-1,4,2- oxazaphosphinanes

Pirat, Jean-Luc,Monbrun, Jér?me,Virieux, David,Cristau, Henri-Jean

, p. 7029 - 7036 (2005)

A simple and effective preparation of 2-aryl- (or 2-vinyl)-1,4,2- oxazaphosphinanes, phosphorus analogues of aryl-morpholinols has been developed, involving palladium catalysed coupling of aryl (or vinyl)-halides with 2-H-1,4,2-oxazaphosphinane in presenc

A recyclable chiral auxiliary for the asymmetric syntheses of α-aminonitriles and α-aminophosphinic derivatives

Rossi, Jean-Christophe,Marull, Marc,Larcher, Nicolas,Taillades, Jacques,Pascal, Robert,van der Lee, Arie,Gerbier, Phillipe

, p. 876 - 883 (2008/09/21)

Optically active α-aminonitriles and α-aminophosphinic derivatives have been prepared in high yield and high ee using an easy route by extending our previously developed method involving the following sequence: (i) stereoselective Strecker condensation of

Studies on Organophosphorus Compounds XXVIII. An Improved Synthetic Route to 1-Amino-Substituted Benzyl Phosphonic and -Phosphinic Acids

Yuan, Chengye,Qi, Youmao

, p. 472 - 474 (2007/10/02)

An improved method for the synthesis of 1-aminosubstituted benzyl phosphonic and -phosphinic acids under mild conditions is described.It consists of the reaction of diphenoxy chlorophosphine (1) or dichlorophenylphosphine (6) with substituted benzaldehyde

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