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4-Phenyl-trityl, also known as 4-phenyl-2,4,6-tri(phenyl)methane, is an organic compound with the chemical formula C37H29. It is a colorless, crystalline solid that is widely used as a protecting group in organic synthesis, particularly in the protection of phenolic hydroxyl groups. The compound is characterized by its three phenyl groups attached to a central carbon atom, with a fourth phenyl group connected to one of the central carbon's hydrogen atoms. 4-Phenyl-trityl is known for its stability and ease of removal under mild acidic conditions, making it a valuable tool in the synthesis of complex organic molecules.

7261-23-6

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7261-23-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7261-23-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,2,6 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 7261-23:
(6*7)+(5*2)+(4*6)+(3*1)+(2*2)+(1*3)=86
86 % 10 = 6
So 7261-23-6 is a valid CAS Registry Number.

7261-23-6Relevant academic research and scientific papers

Sterically Hindered Free Radicals. 18. Stabilization of Free Radicals by Substituents As Studied by Using Triphenylmethyls

Neumann, Wilhelm P.,Penenory, Alicia,Stewen, Ulrich,Lehnig, Manfred

, p. 5845 - 5851 (2007/10/02)

The relative stabilization of 10 4-mono- and 24 4,4'-disubstituted triphenylmethyl radicals 1 has been measured by recording the degree of dissociation of the corresponding quinonoid dimers 2 by means of ESR.The following substituents or combinations of t

Sterically Hindered Free Radicals, XV The First Unsymmetrical Dimer from Two Different Stable Radicals: 3-(tert-Butylphenylmethylene)-6-(triphenylmethyl)-1,4-cyclohexadiene from tert-Butyldiphenylmethyl and Triphenylmethyl

Neumann, Wilhelm P.,Stapel, Ralf

, p. 2006 - 2012 (2007/10/02)

The quinonoid title compound 6 is formed in an equilibrium to 95percent and can be isolated, when the two title radicals 1 and 3 are generated in solution.The reason for this is the sterically less strained position of the bulky tBu group at the sp2

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