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cis-trans-cis-{1,2,3,4-tetra-t-butyl-1,2,3,4-tetraphenylcyclotetragermane} is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

144993-91-9

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144993-91-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144993-91-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,9,9 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 144993-91:
(8*1)+(7*4)+(6*4)+(5*9)+(4*9)+(3*3)+(2*9)+(1*1)=169
169 % 10 = 9
So 144993-91-9 is a valid CAS Registry Number.

144993-91-9Downstream Products

144993-91-9Relevant academic research and scientific papers

Synthesis of Cyclotetragermanes of the Type of 4 and Conversion to 4. The First Functionalized Cyclotetragermanes

Sekiguchi, Akira,Yatabe, Tetsuo,Naito, Hiroyoshi,Kabuto, Chizuko,Sakurai, Hideki

, p. 1697 - 1700 (2007/10/02)

Condensations of R(Ph)GeCl2 (R = t-Bu and R = CEt2Me) with Mg/MgBr2 in THF produced cyclotetragermanes 4, which were converted to 4 by treatment with HCl/AlCl3 or with CF3SO3H followed by CH3COCl.The crystal structure of 4 wa

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