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4115-83-7

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4115-83-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4115-83-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,1 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4115-83:
(6*4)+(5*1)+(4*1)+(3*5)+(2*8)+(1*3)=67
67 % 10 = 7
So 4115-83-7 is a valid CAS Registry Number.

4115-83-7Relevant articles and documents

Facile and remarkably selective substitution reactions involving framework silicon atoms in silsesquioxane frameworks

Feher,Phillips,Ziller

, p. 3397 - 3398 (1997)

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A new route to incompletely-condensed silsesquioxanes: Base-mediated cleavage of polyhedral oligosilsesquioxanes

Feher, Frank J.,Terroba, Raquel,Ziller, Joseph W.

, p. 2309 - 2310 (2007/10/03)

Readily available R8Si8O12 frameworks react selectively with aqueous Et4NOH to afford discrete incompletely-condensed silsesquioxanes: reaction of R8Si8O12 (2a, R = c-C6/su

Silsesquioxanes as Models for Silica Surfaces

Feher, Frank J.,Newman, David A.,Walzer, John F.

, p. 1741 - 1748 (2007/10/02)

The hydrolytic condensation of cyclohexyltrichlorosilane (CySiCl3) affords (1), (2), and (3a).Trisilanol 1 and 3b, the bis(triphenyltin) derivative of 3a, have been structurally characterized by single-crystal X-ray diffraction studies.Trisilanol 1 undergoes corner-capping reactions with trifunctional monomers (e.g., R'SiCl3, MeGeCl3, MeSnCl3), is selectively monosilylated to (6a) with chlorotrimethylsilane, and can be dehydrated to (7a).Comparison of the molecular structure of 1 with (111) β-cristobalite and (0001)β-tridymite reveals many structural similarities.Silsesquioxanes 1, 6a, and 7a are discussed as models for silica surfaces.

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