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2,3-Naphthalenedicarboxylic acid, 1-phenyl-, dimethyl ester is a complex organic compound with the chemical formula C19H16O4. It is a derivative of naphthalene, a polycyclic aromatic hydrocarbon, with two carboxylic acid groups at the 2 and 3 positions, and a phenyl group attached at the 1 position. The dimethyl ester functional group is formed by the esterification of the carboxylic acid groups with methanol, resulting in a molecule with two ester linkages. 2,3-Naphthalenedicarboxylic acid, 1-phenyl-, dimethyl ester is known for its potential applications in the synthesis of various pharmaceuticals, dyes, and other organic compounds due to its unique structure and reactivity. It is typically synthesized through a series of chemical reactions involving naphthalene and phenol, followed by esterification with methanol. The compound is characterized by its aromatic properties and is often used as an intermediate in the production of more complex molecules.

3404-99-7

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3404-99-7 Usage

Physical state

White to off-white solid

High melting point, suitable for use in high-temperature processes

Versatile compound with potential uses in pharmaceuticals, plastics, and textiles industries

Check Digit Verification of cas no

The CAS Registry Mumber 3404-99-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,4,0 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3404-99:
(6*3)+(5*4)+(4*0)+(3*4)+(2*9)+(1*9)=77
77 % 10 = 7
So 3404-99-7 is a valid CAS Registry Number.

3404-99-7Downstream Products

3404-99-7Relevant academic research and scientific papers

Visible-light promoted oxidative cyclization of cinnamic acid derivatives using xanthone as the photocatalyst

Zhao, Bin,Xu, Bo

supporting information, p. 568 - 573 (2021/02/06)

We have developed an efficient photocatalytic synthesis of coumarin derivativesviaa tandem double bond isomerization/oxidative cyclization of cinnamic acids. Inexpensive and stable xanthone was used as the photocatalyst, and readily available Selectfluor was used as the oxidant. This method tolerates a wide range of functional groups and offers excellent chemical yields in general. Besides, the photocatalytic oxidative cyclization of cinnamic acid esters gives dimerized lignan-type products.

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