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2-Pentene-1,4-dione, 1-(2,4-dimethylphenyl)-, (2E)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

457956-05-7

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457956-05-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 457956-05-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,7,9,5 and 6 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 457956-05:
(8*4)+(7*5)+(6*7)+(5*9)+(4*5)+(3*6)+(2*0)+(1*5)=197
197 % 10 = 7
So 457956-05-7 is a valid CAS Registry Number.

457956-05-7Downstream Products

457956-05-7Relevant academic research and scientific papers

Annulation of 2-Oxoalkylidenetriphenylphosphoranes with enediones: A one-step synthesis of substituted cyclopentenones

Kitano, Hiroyoshi,Minami, Satoshi,Morita, Toshio,Matsumoto, Kazutsugu,Hatanaka, Minoru

, p. 739 - 744 (2002)

2-Oxoalkylidenetriphenylphosphoranes undergo [3+2] annulation with enediones to give cyclopentenones as major products along with cyclohexenones.

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