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(E)-1-(Dimethylphosphono)-1-p-nitrophenyl-5-oxo-4-oxaspiro<2.3>hexane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

73558-71-1

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73558-71-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73558-71-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,5,5 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 73558-71:
(7*7)+(6*3)+(5*5)+(4*5)+(3*8)+(2*7)+(1*1)=151
151 % 10 = 1
So 73558-71-1 is a valid CAS Registry Number.

73558-71-1Downstream Products

73558-71-1Relevant academic research and scientific papers

Studies on Ketene and Its Derivatives. 100. 1-(Dimethylphosphono)- and 1-(Diphenylphosphinyl)-5-oxo-4-oxaspirohexanes. Synthesis and Some Reactions

Kato, Tetsuzo,Katagiri, Nobuya,Sato, Renzo

, p. 2587 - 2592 (2007/10/02)

Reaction of diketene with dimethyl (α-diazoalkyl)phosphonates 4-8 and (diazomethyl)diphenylphosphine oxide (14) under irradiation gave E and Z 1-substituted 1-(dimethylphosphono)-5-oxo-4-oxaspirohexanes 9a,b-13a,b and (E)- and (Z)-1-(diphenylphosphin

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