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Pentamethylfluorobenzene, also known as 1-fluoro-2,3,4,5,6-pentamethylbenzene, is an organic compound with the chemical formula C12H15F. It is a colorless liquid that is insoluble in water but soluble in organic solvents. pentamethylfluorobenzene is characterized by its unique structure, where a fluorine atom is attached to a benzene ring that has five methyl groups (CH3) attached to it. Pentamethylfluorobenzene is synthesized through various chemical reactions, such as the Friedel-Crafts alkylation of fluorobenzene with methyl halides. It is used as a precursor in the production of pharmaceuticals, agrochemicals, and other specialty chemicals due to its unique reactivity and stability. The compound's properties, such as its electron-donating nature and its ability to participate in various chemical reactions, make it a valuable intermediate in organic synthesis.

319-83-5

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319-83-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 319-83-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,1 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 319-83:
(5*3)+(4*1)+(3*9)+(2*8)+(1*3)=65
65 % 10 = 5
So 319-83-5 is a valid CAS Registry Number.

319-83-5Relevant academic research and scientific papers

Exploratory study of the reaction of bis(2-methoxyethyl)aminosulfur trifluoride (Deoxofluor reagent) with diaryl sulfoxides: Novel routes to Ar2SF2 and Ar2SF(OTf) via sulfoxide activation

Laali, Kenneth K.,Borodkin, Gennady I.

, p. 169 - 173 (2007/10/03)

Neither bis(2-methoxyethyl)aminosulfur trifluoride (Deoxofluor reagent) nor HF/pyridine alone can fluorinate diaryl sulfoxides. S-fluorination can be effected by activating the sulfoxide via protonation with HF/pyridine (70:30) to form sulfoxonium ions in

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