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(E)-1-phenyl-5-(methoxymethoxy)-2-tosyl-2-penten-1-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

195720-89-9

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195720-89-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 195720-89-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,5,7,2 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 195720-89:
(8*1)+(7*9)+(6*5)+(5*7)+(4*2)+(3*0)+(2*8)+(1*9)=169
169 % 10 = 9
So 195720-89-9 is a valid CAS Registry Number.

195720-89-9Relevant academic research and scientific papers

Preparation and synthetic applications of lithiated vinyl sulfones derived from 3-buten-1-ol and 4-penten-1-ol

Caturla, Francisco,Najera, Carmen

, p. 11449 - 11464 (2007/10/03)

Vinyl sulfones (E)-4-tosyl-3-bulen-1-ol (2) and its MOM-derivative 6, prepared by iodosulfonylation-dehydroiodination of 3-buten-1-ol(1), are regio and stereoselectively lithiated at die 4-position to afford intermediates 3 and 7, respectively. Tile prote

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