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127544-08-5

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127544-08-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127544-08-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,5,4 and 4 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 127544-08:
(8*1)+(7*2)+(6*7)+(5*5)+(4*4)+(3*4)+(2*0)+(1*8)=125
125 % 10 = 5
So 127544-08-5 is a valid CAS Registry Number.

127544-08-5Relevant articles and documents

Synthesis and solid-state structures of 1,3- and 1,4-bis(diethylgallyl) benzene

Izundu, Joseph,Jutzi, Peter,Neumann, Beate,Sielemann, Henning,Stammler, Hans-Georg

, p. 1375 - 1380 (2010/06/15)

The compounds 1,3-bis(diethylgallyl)benzene (3) and 1,4-bis(diethylgallyl) benzene (6) were prepared by reaction of the corresponding chloromercuriobenzenes with an excess of triethylgallium by applying pressure and higher temperatures. These compounds very easily undergo redistribution reactions in solution and in the solid state. Extremely air-sensitive crystals suitable for an X-ray crystal structure analysis were obtained from triethylgallium as solvent. The structural studies revealed the presence of tetra-coordinated carbon and gallium atoms in symmetric aryl-diethylgallyl bridging units. The coordination behavior of 3 and 6 in the solid state is quite different from that of the corresponding methyl-substituted compounds.

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