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Methanone, [4-(benzoyloxy)-2-methylphenyl]phenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

137956-29-7

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137956-29-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137956-29-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,9,5 and 6 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 137956-29:
(8*1)+(7*3)+(6*7)+(5*9)+(4*5)+(3*6)+(2*2)+(1*9)=167
167 % 10 = 7
So 137956-29-7 is a valid CAS Registry Number.

137956-29-7Relevant academic research and scientific papers

Methanesulfonic acid/phosphorus oxychloride (MAPO) as a new efficient reagent in the fries rearrangement

Kaboudin, Babak

, p. 12865 - 12872 (2007/10/03)

Methanesulfonic acid/phosphorus oxychloride (MAPO) was found to be a new efficient reagent in the Fries rearrangement of phenolic esters. Fries rearrangement of phenolic esters in the presence of MAPO, gave acylaryl methane sulfonates as major products.

A REEXAMINATION OF THE RETRO-FRIES REARRANGEMENT OF SOME o-HYDROXYKETONES

Martin, Robert,Lafrance, Jean Ronald,Demerseman, Pierre

, p. 539 - 548 (2007/10/02)

The retro-Fries rearrangement, catalyzed by protic and Lewis acids, was studied for some o-hydroxyketones.The results are consistent with the mechanism of an heterolytic cleavage and rearrangement.It appears that, in general, Lewis acids do not induce the retro-Fries rearrangement of o-hydroxyketones.However, in certain cases, it may be brought about the presence of a protic acid generated in situ, from a solvent-catalyst interaction.

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