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1H-Pyrrole-3-carboxylic acid, 1-(methoxymethyl)-5-[2-(4-methoxyphenyl)-1-[(4-methylphenyl)sulfonyl]-2 -oxoethyl]-, methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

155474-09-2

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155474-09-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 155474-09-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,4,7 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 155474-09:
(8*1)+(7*5)+(6*5)+(5*4)+(4*7)+(3*4)+(2*0)+(1*9)=142
142 % 10 = 2
So 155474-09-2 is a valid CAS Registry Number.

155474-09-2Relevant academic research and scientific papers

Base-Induced Photocyclization of 1,2-Diaryl-1-tosylethenes. A Mechanistically Novel Approach to Phenanthrenes and Phenanthrenoids

Almeida, Jesus F.,Castedo, Luis,Fernandez, Dolores,Neo, Ana G.,Romero, Victor,Tojo, Gabriel

, p. 4939 - 4941 (2003)

(Equation presented) The irradiation with UV light of a number of 1,2-diaryl-1-tosylstilbenes, in the presence of base, leads to the corresponding phenanthrenes and heterocyclic analogues. These results are consistent with a mechanism involving the base-induced elimination of p-toluenesulfinic acid from an intermediate 9-tosyl-4a,4b-dihydrophenanthrene, formed by photochemical cyclization of the starting 1,2-diaryl-1-tosylstilbenes.

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