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4,4'-(dimethylsilanediyl)diphthalic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

42297-17-6

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42297-17-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42297-17-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,2,9 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 42297-17:
(7*4)+(6*2)+(5*2)+(4*9)+(3*7)+(2*1)+(1*7)=116
116 % 10 = 6
So 42297-17-6 is a valid CAS Registry Number.

42297-17-6Relevant academic research and scientific papers

Blue light-emitting polyamide and poly(amide-imide)s containing 1,3,4-oxadiazole ring in the side chain

Hamciuc, Corneliu,Hamciuc, Elena,Homocianu, Mihaela,Nicolescu, Alina,Carja, Ionela-Daniela

, p. 110 - 113 (2015/03/31)

A new diamine monomer containing a 1,3,4-oxadiazole ring, 4,4′-diamino-4″-[2-(4-phenoxy)-5-(4-dimethylaminophenyl)-1,3,4-oxadiazole]triphenylmethane, was synthesized and characterized. The diamine is used to prepare novel polyamide and poly(amide-imide)s

Di- and tetracarboxylic aromatic acids with silane spacers and their copper complexes: Synthesis, structural characterization and properties evaluation

Cazacu, Maria,Vlad, Angelica,Zaltariov, Mirela-Fernanda,Shova, Sergiu,Novitchi, Ghenadie,Train, Cyrille

supporting information, p. 70 - 78 (2014/12/11)

Two polycarboxylic acids, bis(p-carboxyphenyl)diphenylsilane and bis(3,4-dicarboxyphenyl)dimethylsilane, were prepared according to published procedures and characterized, besides elemental and spectral analysis, for the first time by X-ray single crystal

Di- and tetracarboxylic aromatic acids with silane spacers and their copper complexes: Synthesis, structural characterization and properties evaluation

Cazacu, Maria,Vlad, Angelica,Zaltariov, Mirela-Fernanda,Shova, Sergiu,Novitchi, Ghenadie,Train, Cyrille

supporting information, p. 70 - 78 (2015/02/18)

Two polycarboxylic acids, bis(p-carboxyphenyl)diphenylsilane and bis(3,4-dicarboxyphenyl)dimethylsilane, were prepared according to published procedures and characterized, besides elemental and spectral analysis, for the first time by X-ray single crystal

Silicon-containing oligomeric poly(imido-amides) with amino moieties. Synthesis, characterization and thermal studies

Tagle, Luis H.,Terraza, Claudio A.,Tundidor-Camba, Alain,Ortiz, Pablo A.

, p. 30197 - 30210 (2014/08/05)

Silicon-containing oligomeric poly(imido-amides) (PIAs) were synthesized from dicarboxylic imido-acids containing a Si atom, which were obtained from dianhydrides and the amino acids glycine, l-alanine, l-phenylalanine, l-valine, l-leucine, l-isoleucine a

Synthesis and properties of new poly(imide-amide)s

Sava, Ion,Bruma, Maria

, p. 791 - 798 (2007/10/03)

New aromatic poly(imide-amide)s have been synthesized by solution polycondensation of various aromatic diamines with diacid chlorides containing dimethylsillane or hexafluoroisopropylidene units. These polymers are easily soluble in polar amidic solvents such as N-methylpyrrolidinone (NMP) or dimethylformamide (DMF) and can be cast into thin flexible films or coatings from such solutions. They show high thermal stability, with initial decomposition temperature above 400°C and glass transition temperature in the range of 265-324°C. Very thin polymer films deposited by the spin-coating technique onto silicon wafers showed a smooth, pinhole-free surface in Atomic Force Microscopy investigations.

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