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1H,2H,3H-Pentafluorocyclopentene is a halogenated cycloalkene with the molecular formula C5HF5. It is a colorless liquid at room temperature and has a strong, pungent odor. 1H,2H,3H-pentafluorocyclopentene is characterized by the presence of five fluorine atoms attached to a cyclopentene ring, with one hydrogen atom at each of the remaining carbon atoms. Due to its highly electronegative fluorine atoms, 1H,2H,3H-pentafluorocyclopentene exhibits unique chemical properties, such as increased reactivity and stability compared to its non-fluorinated counterparts. It is primarily used as an intermediate in the synthesis of various fluorinated compounds and has potential applications in the pharmaceutical, agrochemical, and materials science industries. However, due to its highly reactive nature, it requires careful handling and storage to prevent unwanted reactions or environmental contamination.

5239-55-4

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5239-55-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5239-55-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,3 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5239-55:
(6*5)+(5*2)+(4*3)+(3*9)+(2*5)+(1*5)=94
94 % 10 = 4
So 5239-55-4 is a valid CAS Registry Number.

5239-55-4Upstream product

5239-55-4Downstream Products

5239-55-4Relevant academic research and scientific papers

Activation of aromatic, aliphatic, and olefinic carbon-fluorine bonds using Cp*2HfH2

Rieth, Ryan D.,Brennessel, William W.,Jones, William D.

, p. 2839 - 2847 (2007)

The hafnium hydride Cp*2HfH2 is reacted with a series of fluorocarbons to examine the scope of C-F bond activation. Aromatic, vinylic, and aliphatic C-F bonds all show some degree of reactivity, and possible mechanisms are discussed. Wiley-VCH Verlag GmbH & Co. KGaA, 2007.

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