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1,3-Benzenedicarboxylic acid, 5,5'-[1,6-hexanediylbis(oxy)]bis-, tetramethyl ester is a complex organic compound with the chemical formula C20H28O8. It is a derivative of 1,3-benzenedicarboxylic acid, also known as isophthalic acid, which is a dicarboxylic acid with two carboxylic acid groups attached to the 1 and 3 positions of a benzene ring. In this specific compound, the two isophthalic acid molecules are connected through a 1,6-hexanediyl chain, which is a six-carbon alkane chain with two ether oxygen atoms (oxy) in the middle, forming a bis-ether linkage. The tetramethyl ester part of the name indicates that each of the four carboxylic acid groups has been esterified with a methyl group, resulting in a total of four methyl esters. 1,3-Benzenedicarboxylic acid, 5,5'-[1,6-hexanediylbis(oxy)]bis-, tetramethyl ester is characterized by its symmetrical structure and is used in the synthesis of various polymers and as a precursor in the production of certain types of polyesters and other chemical products.

22937-68-4

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22937-68-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22937-68-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,9,3 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 22937-68:
(7*2)+(6*2)+(5*9)+(4*3)+(3*7)+(2*6)+(1*8)=124
124 % 10 = 4
So 22937-68-4 is a valid CAS Registry Number.

22937-68-4Relevant academic research and scientific papers

Synthesis and Analysis of Telechelic Polyisobutylenes for Hydrogen-Bonded Supramolecular Pseudo-Block Copolymers

Binder, Wolfgang H.,Kunz, Michael J.,Kluger, Christian,Hayn, Getraud,Saf, Robert

, p. 1749 - 1759 (2007/10/03)

New telechelic polyisobutylenes (PIB) with hydrogen-bonding motifs were prepared. Nucleobases such as thymine, uracil, and cytosine as well as chelate-type hydrogen-bonding donor-acceptors were affixed onto the end groups of the PIB. Starting with PIB of

Curved aromatic compounds, part 2[?]: 1,7-dioxa[7](2,7)pyrenophane: The pyrene moiety is more bent than that of C70

Bodwell, Graham J.,Bridson, John N.,Houghton, Tom J.,Kennedy, Jason W. J.,Mannion, Michael R.

, p. 1823 - 1827 (2007/10/03)

The synthesis of the highly strained title compound 8 a was achieved by the valence isomerization and in situ dehydrogenation of the cyclophanediene 7 a at only 80°C. A single-crystal X-ray structure determination of 8 a revealed that the pyrene moiety is

Dioxa(2,7)pyrenophan, ein stark verzerrter, polycyclischer, aromatischer Kohlenwasserstoff

Bodwell, Graham J.,Bridson, John N.,Houghton, Tom J.,Kennedy, Jason W. J.,Mannion, Michael R.

, p. 1418 - 1420 (2007/10/03)

Keywords: Cyclophane; Fullerenfragmente; Gespannte Ringe; Pyrene

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