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1055424-80-0

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1055424-80-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1055424-80-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,5,5,4,2 and 4 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1055424-80:
(9*1)+(8*0)+(7*5)+(6*5)+(5*4)+(4*2)+(3*4)+(2*8)+(1*0)=130
130 % 10 = 0
So 1055424-80-0 is a valid CAS Registry Number.

1055424-80-0Relevant articles and documents

A torquoselective extrusion of isoxazoline N-oxides. Application to the synthesis of aryl vinyl and divinyl ketones for Nazarov cyclization

Canterbury, Daniel P.,Herrick, Ildiko R.,Um, Joann,Houk,Frontier, Alison J.

experimental part, p. 3165 - 3179 (2009/09/05)

A mild, convenient reaction sequence for the synthesis of Nazarov cyclization substrates is described. The [3+2] dipolar cycloaddition of a nitrone and an electron-deficient alkyne gives an isolable isoxazoline intermediate, which upon oxidation undergoes stereoselective extrusion of nitrosomethane to give aryl vinyl or divinyl ketones.

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