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2-bromo-4-(4-bromophenyl)-2H-(4-bromobenzo)[e][1,2]oxaphosphorin-3-ene 2-oxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

205579-20-0

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205579-20-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 205579-20-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,5,7 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 205579-20:
(8*2)+(7*0)+(6*5)+(5*5)+(4*7)+(3*9)+(2*2)+(1*0)=130
130 % 10 = 0
So 205579-20-0 is a valid CAS Registry Number.

205579-20-0Downstream Products

205579-20-0Relevant academic research and scientific papers

Reactions of Phenylenedioxytrihalophosphoranes with Arylacetylenes: I. Synthesis and Steric Structure of 2H-Benzo[e][1,2]oxaphosphorin-3-ene Derivatives

Mironov,Konovalov,Litvinov,Gubaidullin,Petrov,Shtyrlina,Zyablikova,Musin,Azancheev,Il'yasov

, p. 1414 - 1442 (2007/10/03)

Reactions of phenylenedioxytrihalophosphoranes with arylacetylenes yield 2-halo-4-aryl-2H-benzo[e][1,2]oxaphosphorin-3-ene 2-oxides. Formation of the P-C bond and phosphoryl group is accompanied by ipso substitution of the oxygen atom in the benzodioxaphospholane fragment and halogenation of this fragment at the position para relative to the remaining oxygen atom.

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