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5-Allyliden-1-vinylspiro<2.4>heptan is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

80128-72-9

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80128-72-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80128-72-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,1,2 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 80128-72:
(7*8)+(6*0)+(5*1)+(4*2)+(3*8)+(2*7)+(1*2)=109
109 % 10 = 9
So 80128-72-9 is a valid CAS Registry Number.

80128-72-9Downstream Products

80128-72-9Relevant academic research and scientific papers

Reactions of Methylenecyclopropanes, VI. Palladium(0)-catalyzed Cycloadditions of 1-Methylene-2-vinylcyclopropane

Binger, Paul,Germer, Alfred

, p. 3325 - 3335 (2007/10/02)

1-Methylene-2-vinylcyclopropane (1) is cyclodimerised at palladium(0)/triisopropylphosphane catalysts to give the carbocycles 3 - 5, which in certain cases are obtained as Z/E-isomers.In the presence of norbornene codimerisation occurs, which leads to the

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