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5-Benzo[1,3]dioxol-5-yl-5-oxo-3-(3,4,5-trimethoxy-phenyl)-pentanoic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

108439-82-3

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108439-82-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 108439-82-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,4,3 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 108439-82:
(8*1)+(7*0)+(6*8)+(5*4)+(4*3)+(3*9)+(2*8)+(1*2)=133
133 % 10 = 3
So 108439-82-3 is a valid CAS Registry Number.

108439-82-3Downstream Products

108439-82-3Relevant academic research and scientific papers

Reductive Cleavage of Arylcyclopropyl Ketones

Murphy, William S.,Wattanasin, Sompong

, p. 1445 - 1452 (2007/10/02)

Arylcyclopropyl aryl ketones undergo clean but slow reductive cleavage to 4-arylbutyrophenones when heated with zinc in ethanol.Replacement of one the aryl groups by an alkyl group strongly inhibits reaction.This effect is in part overcome by the use of a higher boiling alcohol.When substituted at the cyclopropyl methylene position by an ethoxycarbonyl group these cyclopropyl ketones also undergo cleavage but with the unexpected formation of the ethyl 3,5-diaryl-5-oxopentanoates (22).In general, the results are consistent with the formation of an anion-radical intermediate.

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