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4,5-endo-bis(phenylsulfonyl)-7-oxa-1-azabicyclo<2.2.1>heptane-2-spiro-1'-cycloheptane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

132644-70-3

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132644-70-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 132644-70-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,6,4 and 4 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 132644-70:
(8*1)+(7*3)+(6*2)+(5*6)+(4*4)+(3*4)+(2*7)+(1*0)=113
113 % 10 = 3
So 132644-70-3 is a valid CAS Registry Number.

132644-70-3Downstream Products

132644-70-3Relevant academic research and scientific papers

Tandem Addition-Cycloaddition Reaction of Oximes with 2,3-Bis(phenylsulfonyl)-1,3-butadiene as a Method for 4-Piperidone Synthesis

Norman, Bryan H.,Gareau, Yves,Padwa, Albert

, p. 2154 - 2161 (2007/10/02)

The reaction of oximes with 2,3-bis(phenylsulfonyl)-1,3-butadiene affords 7-oxa-1-azanorbornanes in high yield.The formation of the bicyclic isoxazolidine involves conjugate addition of the oxime onto the diene to give a transient nitrone that ten undergo

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