Cas 125611-05-4,μ-(3,4,5,6-tetramethyl-1,2-phenylene)bis(trifluoroacetato-O)dimercury

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Check Digit Verification of cas no

The CAS Registry Mumber 125611-05-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,5,6,1 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 125611-05:
(8*1)+(7*2)+(6*5)+(5*6)+(4*1)+(3*1)+(2*0)+(1*5)=94
94 % 10 = 4
So 125611-05-4 is a valid CAS Registry Number.

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125611-05-4Relevant academic research and scientific papers

Multidentate Lewis acids. Complex of a macrocyclic host with a bidentate guest

Nadeau, Fran?ois,Simard, Michel,Wuest, James D.

, p. 1311 - 1314 (1990)

Neutralization of the mercuric oxide 1b with hexafluoroglutaric acid in 1,2-dimethoxyethane (DME) produces the 1:4 DME adduct of macrocyclic tetradentate Lewis acid 2b in 76% yield. An X-ray crystallographic study revealed that the macrocyclic host is approximately planar and that each 1,2-phenylenedimercury unit is associated with two molecules of DME, one above the plane and the other below. One oxygen atom from each molecule of DME bridges the two mercury atoms, and the other oxygen interacts with a single mercury. The resulting adduct is the first structurally characterized complex in which a basic guest and a multidentate Lewis acidic host share more than two bonds.

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