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Triphenyl((trimethylphosphonio)methyl)phosphonium-dibromid is a complex organic compound with the chemical formula C21H24Br2P2. It is a phosphonium salt, characterized by the presence of a positively charged phosphonium group (P+) and a trimethylphosphonio group attached to a central carbon atom. The compound is notable for its unique structure, which includes three phenyl rings attached to one phosphorus atom and a dibromide (Br2) counterion. This molecule is often used in organic synthesis and as a reagent in various chemical reactions due to its stability and ability to participate in a range of chemical transformations. Its applications may include the formation of carbon-carbon bonds, the synthesis of complex organic molecules, and as a catalyst in certain reactions.

94477-82-4

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94477-82-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94477-82-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,4,7 and 7 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 94477-82:
(7*9)+(6*4)+(5*4)+(4*7)+(3*7)+(2*8)+(1*2)=174
174 % 10 = 4
So 94477-82-4 is a valid CAS Registry Number.

94477-82-4Relevant academic research and scientific papers

Preparation of Unsymmetrical Methyl/Phenylcarbodiphosphoranes Through Stepwise Synthesis or Rearrangement

Schmidbaur, Hubert,Herr, Rudolf,Zybill, Christian E.

, p. 3374 - 3380 (2007/10/02)

The bis-phosphonium salt 1,2-C6H4(PPh2Me+SO3F-)2 (8), obtained from the double quaternisation of 1,2-bis(diphenylphosphino)benzene (6) using CH3OSO2F, yields on transylidation with excess Et3P=CHMe as an unexpected rearrangement prod

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