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444584-68-3

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444584-68-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 444584-68-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,4,5,8 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 444584-68:
(8*4)+(7*4)+(6*4)+(5*5)+(4*8)+(3*4)+(2*6)+(1*8)=173
173 % 10 = 3
So 444584-68-3 is a valid CAS Registry Number.

444584-68-3Relevant articles and documents

Synthesis of di- and trisilanes with potentially chelating substituents

Belzner, Johannes,Dehnert, Uwe,Sch?r, Dirk,Rohde, Bernhard,Müller, Peter,Usón, Isabel

, p. 25 - 42 (2007/10/03)

Silylenes 2 or 4, generated by thermolysis of cyclotrisilanes 1 and 3, were inserted into the Si-Cl or Si-H bonds of monosilanes to yield a variety of disilanes, which can be further functionalized subsequently. In a few cases, trisilanes are accessible by the reaction of 1 with disilanes. The reaction of a metalated silane with a chlorosilane is an alternative method for the formation of Si-Si bonds, which turned out to be especially useful for the synthesis of bulkily substituted disilanes. Some of the new dichlorodiand trisilanes themselves serve as thermal precursors of silylenes 2 or 4, the extrusion of which can be catalyzed by 1 or 3 in certain cases.

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