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Oxirane, 2-phenyl-2-(2-phenylethenyl)-, (E)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

69745-59-1

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69745-59-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69745-59-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,7,4 and 5 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 69745-59:
(7*6)+(6*9)+(5*7)+(4*4)+(3*5)+(2*5)+(1*9)=181
181 % 10 = 1
So 69745-59-1 is a valid CAS Registry Number.

69745-59-1Relevant academic research and scientific papers

Retro-Corey-Chaykovsky Epoxidation: Converting Geminal Disubstituted Epoxides to Ketones

Li, Siqi,Li, Pingfan,Xu, Jiaxi

, (2019)

Corey-Chaykovsky epoxidation has been widely applied in the conversion of aldehydes and ketones to epoxides with sulfonium and sulfoxonium ylides. The reverse transformation is realized for conversion of geminal disubstituted epoxides to ketones in the presence of DABCO in refluxing mesitylene. The method is a weak basic transformation from epoxides to ketones with loss of a methylene group and can be applied as an alternative strategy of the acid-catalyzed Meinwald rearrangement or oxidation for conversion of epoxides to carbonyl compounds.

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