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(E)-4,4-dimethoxy-1-(4-methoxyphenyl)-2-tosylpent-2-en-1-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

115563-06-9

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115563-06-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 115563-06-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,5,6 and 3 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 115563-06:
(8*1)+(7*1)+(6*5)+(5*5)+(4*6)+(3*3)+(2*0)+(1*6)=109
109 % 10 = 9
So 115563-06-9 is a valid CAS Registry Number.

115563-06-9Relevant academic research and scientific papers

(E)-4-Lithio-4-tosylbutenone Dimethyl Ketal: A New and Versatile β-Acylvinyl Anion Equivalent in Organic Synthesis

Najera, Carmen,Yus, Miguel

, p. 4708 - 4715 (2007/10/02)

The lithiation of (E)-4-tosylbutenone dimethyl ketal (12) with methyllithium at -20 deg C led to the new β-acylvinyl anion equivalent (E)-4-lithio-4-tosylbutenone dimethyl ketal (13).The treatment of intermediate 13 with different electrophilic reagents (

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