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methoxy[di(phenylethynyl)]phosphine oxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1219033-22-3

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1219033-22-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1219033-22-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,0,3 and 3 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1219033-22:
(9*1)+(8*2)+(7*1)+(6*9)+(5*0)+(4*3)+(3*3)+(2*2)+(1*2)=113
113 % 10 = 3
So 1219033-22-3 is a valid CAS Registry Number.

1219033-22-3Downstream Products

1219033-22-3Relevant academic research and scientific papers

Asymmetric synthesis and photophysical properties of benzopyrano- or naphthopyrano-fused helical phosphafluorenes

Fukawa, Naohiro,Osaka, Takuya,Noguchi, Keiichi,Tanaka, Ken

supporting information; experimental part, p. 1324 - 1327 (2010/06/17)

"Chemical Equation Presented" Enantioenriched benzopyrano- and naphthopyrano-fused helical phosphafluorenes have been synthesized by the rhodium-catalyzed enantioselective double [2 + 2 + 2] cycloaddition of dialkynyl phosphorus compounds with phenol- or naphthol-linked tetraynes. Photophysical properties of these phosphafluorenes are also disclosed.

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