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5-phenyl-3-(2,3,5,6-tetramethylphenyl)isoxazole is a complex organic compound characterized by its unique molecular structure. It features an isoxazole ring, which is a five-membered heterocyclic ring containing one oxygen atom and one nitrogen atom. The compound is further distinguished by the presence of a phenyl group (a benzene ring with a hydrogen atom replaced by a hydrocarbon group) attached to the 5-position of the isoxazole ring, and a 2,3,5,6-tetramethylphenyl group (a benzene ring with four methyl groups attached at the 2, 3, 5, and 6 positions) at the 3-position. This specific arrangement of functional groups endows the molecule with distinct chemical properties and potential applications in various fields, such as pharmaceuticals or materials science.

2904-75-8

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2904-75-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2904-75-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,0 and 4 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2904-75:
(6*2)+(5*9)+(4*0)+(3*4)+(2*7)+(1*5)=88
88 % 10 = 8
So 2904-75-8 is a valid CAS Registry Number.

2904-75-8Downstream Products

2904-75-8Relevant academic research and scientific papers

Einige Reaktionen des 8,8-Dibromtetracyclo2,4.03,5>octans

Christl, Manfred,Lechner, Monika

, p. 1 - 13 (2007/10/02)

The title compound 2, easily prepared by addition of dibromocarbene to homobenzvalene (7), forms 5-ethinyl-1,3-cyclohexadiene (9) on treatment with methyllithium.Its structure was proved through the additions to 4-phenyl-1,2,4-triazolinedione and 2,3,5,6-tetramethylbenzonitrile oxide, leading to 10 and 12 respectively. 2H and 12C labeled 2 were used to determine the reorganization of the carbon atoms.The results support the proposed reaction mechanism.On heating of 2 the dibromocyclopropane moiety remains intact and dibromo-trans-bishomobenzene (20) is formed, with boron trifluoride-ether 2 rearranges to 20 already at room temperature.Sodium in liquid ammonia debrominates 2 as well as 20 to produce the known parent hydrocarbons 8 and 21 respectively.

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