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1442659-92-8

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1442659-92-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1442659-92-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,2,6,5 and 9 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1442659-92:
(9*1)+(8*4)+(7*4)+(6*2)+(5*6)+(4*5)+(3*9)+(2*9)+(1*2)=178
178 % 10 = 8
So 1442659-92-8 is a valid CAS Registry Number.

1442659-92-8Downstream Products

1442659-92-8Relevant articles and documents

PtS-related {[CuI(F4TCNQII-)] -}∞ networks

Abrahams, Brendan F.,Elliott, Robert W.,Hudson, Timothy A.,Robson, Richard

, p. 3018 - 3027 (2013/07/26)

A series of compounds of composition A[CuI(F 4TCNQII-)] (A = a quaternary ammonium or phosphonium cation, F4TCNQII- = the dianionic form of 2,3,5,6-tetrafluoro-7,7,8,8-tetracyanoquinodimethane) have been synthesized and structurally characterized. In each structure, an anionic [CuI(F 4TCNQII-)]- framework possessing the topology of PtS is formed with the Cu(I) center serving as a tetrahedral 4-connecting center and the F4TCNQ2- anion acting as a planar 4-connecting unit. Although a PtS topology is observed for six different compounds, the anionic framework shows significant geometric variation depending upon the identity of the cation. Very similar structures are obtained when the organic cation is NMe4+, NMe2Pr 2+, or NMe2Bu2+. A distorted anionic structure possessing the same connectivity is generated when the cation is NEt4+, and anionic frameworks with a different connectivity, but still related to PtS, are obtained when the much larger quaternary phosphonium cations are employed. Of interest in the structures containing quaternary phosphonium cations are π-stacking interactions involving phenyl groups of the cation and F4TCNQ 2- ligands. These face-to-face interactions between the electron-rich F4TCNQ2- ligands and a phenyl group of the cation appear to be responsible for the color exhibited by these compounds.

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