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1217357-09-9

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1217357-09-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1217357-09-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,7,3,5 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1217357-09:
(9*1)+(8*2)+(7*1)+(6*7)+(5*3)+(4*5)+(3*7)+(2*0)+(1*9)=139
139 % 10 = 9
So 1217357-09-9 is a valid CAS Registry Number.

1217357-09-9Downstream Products

1217357-09-9Relevant academic research and scientific papers

A Synthetic and Computational Investigation into the Direct Synthesis of α -Hydroxymethylated Enones from β-keto Phosphonates

Ryan, Sarah J.,Thompson, Christopher D.,Lupton, David W.

, p. 720 - 727 (2009)

The synthesis of a range of -hydroxymethylated enones has been achieved using the Villiras modification of the HornerWadsworthEmmons (HWE) reaction. Scope, limitations, and mechanistic aspects of this reaction were investigated using a combination of synthetic and computational studies. These investigations support a SchlosserCorey type reaction mechanism that is balanced between two pathways with the outcome influenced by the steric environment of the substrate. CSIRO 2009.

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