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26311-81-9

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26311-81-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 26311-81-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,3,1 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 26311-81:
(7*2)+(6*6)+(5*3)+(4*1)+(3*1)+(2*8)+(1*1)=89
89 % 10 = 9
So 26311-81-9 is a valid CAS Registry Number.

26311-81-9Relevant articles and documents

REACTIONS DE DECHLORHYDRATATION D'ORGANOCHLOROHYDROGERMANES ET -POLYGERMANES

Riviere, P.,Castel, A.,Guyot, D.,Satge, J.

, p. C15 - C18 (2007/10/02)

1,8-Diazabicycloundec-7-ene appears to be an efficient dehydrochlorination agent for the organochlorohydrogermanes PhCl2GeH, R2ClGeH (R = Et, Ph).In diluted solutions the intramolecular α-elimination process leads to germylene through germanate

ASSISTANCE NUCLEOPHILE DANS DES REACTIONS D'ORGANO-HALOGENO- ET -HALOGENO-HYDROGERMANES: GERMYLANIONS, GERMYLENES, DERIVES FONCTIONNELS DU GERMANIUM

Riviere, P.,Castel, A.,Satge, J.

, p. 123 - 136 (2007/10/02)

Substitution reactions of halogermanes under nucleophilic assistance of tertiary amines or diazo derivatives leading readily to various functional derivatives of germanium have been carried out.Dehydrohalogenation of acidic halohydrogemanes under nucleophilic assistance is a useful way to divalent species, and the germylenes formed are stabilized by complexation with the nucleophilic agent.The reactions proceed via intermediate halogermylanions which lead to the formation of more stable germylenes.The transient halogemylanions have been characterized by means of their nuclophilic additions to carbonyl derivatives.Nucleophilic substitutions of halogermanes using these germylanions lead to the formation of polygermanes.

SYNTHESE DE COMPOSES A LIAISON MIVB-MERCURE. PRECURSEURS D'ESPECES MONOVALENTES (GERMYNES), ET BIVALENTES (GERMYLENES), DE RADICAUX CENTROMETALLES ET D'INTERMEDIAIRES

Riviere, P.,Castel, A.,Satge, J.

, p. 351 - 367 (2007/10/02)

Polynuclear germyl-mercury compounds are obtained from the reaction of organohydrogermanes PhnGeH4-n or digermanes Ph2nGe2H4-n (n = 1, 2) with dialkylmercury R2Hg.Di- or tri-mercurated geminal polygermates thus synthesized generally present a low stability and undergo thermal- or photodecompositions leading to the corresponding monovalent (germynes), divalent (germylenes) or, trivalent (germanium centered radicals) species and also to intermediate biradicals which could be considered as limit forms of germanium doubly-bonded compounds .Such intermediates have been chemically and spectroscopically characterized.Extension of these reactions to the silicon analogs met with difficulties, and thus previously observed differences between silicon and germanium chemistry were confirmed.

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