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2,6-Dibromoterephthalic acid dimethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

22191-59-9

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22191-59-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22191-59-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,9 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 22191-59:
(7*2)+(6*2)+(5*1)+(4*9)+(3*1)+(2*5)+(1*9)=89
89 % 10 = 9
So 22191-59-9 is a valid CAS Registry Number.

22191-59-9Relevant academic research and scientific papers

Synthesis of pyrene containing building blocks for dendrimer synthesis

Modrakowski,Flores,Beinhoff,Schlueter

, p. 2143 - 2155 (2007/10/03)

Efficient syntheses of the novel, pyrene containing branched building blocks 10, 13, 22, 25 and of a pyrene based core molecule 16 for the construction of dendrimers are reported. The main tool is a Suzuki cross-coupling. The functional groups for further growth are amines and carboxylic acids, which were used in an orthogonally protected fashion. It was proven that the building blocks could be assembled to a low generation dendrimer 17.

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