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3-phenyl-1,3-dihydro-pyrrolo[2,3-b]quinoxalin-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

34731-57-2

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34731-57-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 34731-57-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,7,3 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 34731-57:
(7*3)+(6*4)+(5*7)+(4*3)+(3*1)+(2*5)+(1*7)=112
112 % 10 = 2
So 34731-57-2 is a valid CAS Registry Number.

34731-57-2Downstream Products

34731-57-2Relevant academic research and scientific papers

New entry to 2-aza-2,4-cyclopentadienone by ring expansion of 4-azido-2-cyclobutenone

Ohno, Masatomi,Sekido, Masaru,Matsuura, Toru,Noda, Masashi

, p. 273 - 276 (2007)

Thermal decomposition of 4-azido-3,4-diethoxy-2-phenyl-2-cyclobutenone obtained by phenylation, acetalization and azidation of squaric acid ethyl ester gave rise to a polysubstituted 2-aza-2,4-cyclopentadienone through the combined process of nitrogen ext

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