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1,3-Benzenedicarboxylic acid, 5,5'-methylenebis[2-[(6-bromohexyl)oxy]-, tetraethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139213-16-4

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139213-16-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139213-16-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,2,1 and 3 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 139213-16:
(8*1)+(7*3)+(6*9)+(5*2)+(4*1)+(3*3)+(2*1)+(1*6)=114
114 % 10 = 4
So 139213-16-4 is a valid CAS Registry Number.

139213-16-4Downstream Products

139213-16-4Relevant academic research and scientific papers

Biomimetic studies using artificial systems. VI. Design and synthesis of novel cyclophanes having eight carboxyl groups on the aromatic rings

Miyake,Kirisawa,Koga

, p. 1211 - 1213 (2007/10/02)

Novel cyclophanes (9a, b) having eight carboxyl groups on the aromatic rings were designed and synthesized. Macrocyclization of 7a and 7b with 6 was carried out under a high dilution condition to give the corresponding 8a and 8b in 23% and 28% yields, respectively.

Anionic cyclophanes as hosts for cationic aromatic guests

Miyake,Kirisawa,Koga

, p. 7295 - 7298 (2007/10/02)

Negatively-charged cyclophanes (2a,2b) having eight carboxylate groups on the aromatic rings were designed and synthesized. It is shown that they work as hosts that form inclusion complexes selectively with positively-charged aromatic compounds as guests in alkaline water.

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