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1,3-Azulenedicarboxylic acid, 6-(phenylethynyl)-, diethyl ester is a complex organic compound with the chemical formula C21H18O4. It is derived from azulene, a bicyclic aromatic hydrocarbon, and features a dicarboxylic acid structure with two ester groups attached to the diethyl ester. The molecule also contains a phenylethynyl group at the 6-position, which adds to its structural complexity. 1,3-Azulenedicarboxylic acid, 6-(phenylethynyl)-, diethyl ester is primarily used in the synthesis of various pharmaceuticals and organic compounds due to its unique structure and reactivity. Its properties, such as solubility and stability, can be influenced by the presence of the phenylethynyl group and the diethyl ester moieties.

75628-82-9

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75628-82-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75628-82-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,6,2 and 8 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 75628-82:
(7*7)+(6*5)+(5*6)+(4*2)+(3*8)+(2*8)+(1*2)=159
159 % 10 = 9
So 75628-82-9 is a valid CAS Registry Number.

75628-82-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name diethyl 6-(2-phenylethynyl)azulene-1,3-dicarboxylate

1.2 Other means of identification

Product number -
Other names -

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

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More Details:75628-82-9 SDS

75628-82-9Relevant academic research and scientific papers

Diels-Alder approach to the synthesis of azulene-substituted benzene derivatives. Synthesis and redox behavior of 1,2-di(6-azulenyl)tetraphenylbenzenes

Ito,Inabe,Okujima,Morita,Watanabe,Imafuku

, p. 8343 - 8347 (2000)

1,2-Di(6-azulenyl)tetraphenylbenzenes and (6-azulenyl)pentaphenylbenzenes were synthesized by Diels-Alder reaction of di(6-azulenyl)acetylenes and 6-(phenylethynyl)azulenes with tetraphenylcyclopentadienone. Mono(6-azulenyl)benzenes exhibited a reduction

Synthesis and redox behavior of azulene-substituted benzene derivatives and η5-cyclopentadienyl)[tetra- and di(6-azulenyl) cyclobutadiene]cobalt complexes

Ito,Inabe,Okujima,Morita,Watanabe,Harada,Imafuku

, p. 7090 - 7101 (2001)

1,2-Di(6-azulenyl)tetraphenylbenzenes and (6-azulenyl)pentaphenylbenzenes were synthesized by Diels-Alder reactions of di(6-azulenyl)acetylenes and 6-(phenylethynyl)azulenes with tetraphenylcyclopentadienone. Cobalt-mediated cyclooligomerization of mono-

The Reaction of 2-Chloroazulene Derivatives with Lithium Acetylide in Liquid Ammonia

Morita, Tadayoshi,Fujita, Taira,Takase, Kahei

, p. 1647 - 1651 (2007/10/02)

The reaction of diethyl 2-chloroazulene-1,3-dicarboxylate (1a) with lithium acetylide in liq ammonia gave diethyl 4- and 6-ethynylazulene-1,3-dicarboxylates by an abnormal substitution reaction.In a similar manner, some 2-chloroazulenes, possessing alkoxy

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