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3-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-1,4-diphenyl-3H-3-aza-fluorene-2,9-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

98239-59-9

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98239-59-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98239-59-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,2,3 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 98239-59:
(7*9)+(6*8)+(5*2)+(4*3)+(3*9)+(2*5)+(1*9)=179
179 % 10 = 9
So 98239-59-9 is a valid CAS Registry Number.

98239-59-9Downstream Products

98239-59-9Relevant academic research and scientific papers

Addition of Phthalimidonitrene to Tetrasubstituted Cyclopentadienones

Narasimhan, K.,Rajakumar, P.

, p. 141 - 143 (2007/10/02)

The aziridines (3, 7, 10) obtained by the cycloaddition of phthalimidonitrene (1) to indanocyclone (2), phencyclone (6) and acecylone (9) undergo cycloreversion when treated with hydrazine hydrate, through the intermediacy of N-aminoaziridines.Aziridine (3) when treated with p-TsOH gives (5).Thermolysis of the aziridines (3) and (10) furnishes the rearranged products.

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