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1,1,2,2-Tetraphenyldiphosphane 1,2-disulfide is a chemical compound with the molecular formula C36H28P2S2. It is a white crystalline solid that is soluble in organic solvents. 1,1,2,2-tetraphenyldiphosphane 1,2-disulfide is characterized by its tetraphenyl diphosphane core, which consists of two phosphorus atoms bonded to four phenyl groups, and a disulfide bridge connecting the two phosphorus atoms. The disulfide group (S-S) is a common functional group found in many biological molecules, such as proteins and enzymes. 1,1,2,2-Tetraphenyldiphosphane 1,2-disulfide is primarily used in organic synthesis and as a reagent in various chemical reactions, particularly those involving the formation or cleavage of disulfide bonds. Its unique structure and properties make it a valuable tool in the study of phosphorus-containing compounds and their applications in various fields, including materials science, pharmaceuticals, and agrochemicals.

5181-12-4

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5181-12-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5181-12-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,8 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 5181-12:
(6*5)+(5*1)+(4*8)+(3*1)+(2*1)+(1*2)=74
74 % 10 = 4
So 5181-12-4 is a valid CAS Registry Number.

5181-12-4Downstream Products

5181-12-4Relevant academic research and scientific papers

TETRAZOLES. 20. TETRAZOLIUM SALTS IN INTERPHASE CATALYSIS

Osipova, T. F.,Koldobskii, G. I.,Ostrovskii, V. A.,Myznikov, Yu. E.

, p. 700 - 703 (2007/10/02)

Oxidation of substituted triarylformazanes by potassium permanganate in a two-phase organic solvent-water system in the presence of catalytic amounts of tetrabutylammonium bromide gives the corresponding tetrazolium salts, which are interphase transfer catalysts in oxidation, alkylation, and esterification.From distribution coefficient data it is concluded that 2,3,5-triphenyltetrazolium chloride has less catalytic activity than 2,5-diphenyl-3-(m-nitrophenyl)tetrazolium bromide.

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