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1,4,7,10-Tetraoxacyclododecane, 2-[[2-(2-methoxyphenoxy)ethoxy]methyl]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138942-16-2

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138942-16-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138942-16-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,9,4 and 2 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 138942-16:
(8*1)+(7*3)+(6*8)+(5*9)+(4*4)+(3*2)+(2*1)+(1*6)=152
152 % 10 = 2
So 138942-16-2 is a valid CAS Registry Number.

138942-16-2Downstream Products

138942-16-2Relevant academic research and scientific papers

Liquid-Liquid-Extraction of Metal Ions with Lariat Ethers

Gloe, K.,Muehl, P.,Beger, J.,Poeschmann, C.,Petrich, M.,Beyer, L.

, p. 413 - 421 (2007/10/02)

Lariat ethers of various ring size and substitution are synthesized and characterized by physical data and chemical analysis.The extraction behaviour of the crown compounds towards Na+, K+, Cs+ and Ag+ in a picric acid solution has been investigated.The extraction constants for 1:1 and 1:2 complexes are determined using the equilibrium distribution data.The results show that the flexible side chain in the investigated compounds has in no case a positive effect on the metal picrate extraction.

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