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5-deutero-1-phenyl-4-vinylpyrazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128093-88-9

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128093-88-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128093-88-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,0,9 and 3 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 128093-88:
(8*1)+(7*2)+(6*8)+(5*0)+(4*9)+(3*3)+(2*8)+(1*8)=139
139 % 10 = 9
So 128093-88-9 is a valid CAS Registry Number.

128093-88-9Upstream product

128093-88-9Relevant academic research and scientific papers

Cycloaddition Reactions of 5-Deutero-1-phenyl-4-vinylpyrazole. Stereoselective cis "ene" Reaction and Simplification of NMR Spectra of Mixtures of Cycloadducts

Sepulveda-Arques, Jose,Alvarez de Laviada, M. Jose,Medio-Simon, Mercedes

, p. 81 - 84 (1990)

The reaction of methyl propiolate (MP) with 1-phenyl-4-vinylpyrazole deuterated in the five position has clarified the 1H-NMR spectrum of the mixture of the adducts 1:2 which are obtained as a result of a Diels-Alder cycloaddition followed by a non-regios

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