2557-81-5 Usage
General Description
Phenyl sulfur pentafluoride is a chemical compound with the formula C6H5SF5. It is a sulfur-containing aromatic compound that is used as a reagent in organic synthesis. It is a colorless, water-insoluble liquid with a pungent odor and is highly reactive due to the presence of the electronegative fluorine atoms. Phenyl sulfur pentafluoride is primarily utilized in the synthesis of pharmaceuticals and agrochemicals, as well as in the production of specialty chemicals. It is also used as a fluorinating agent in organic chemistry reactions. However, it should be handled with caution due to its corrosive and toxic nature. Overall, Phenyl sulfur pentafluoride is an important chemical reagent with diverse applications in the field of organic synthesis.
Check Digit Verification of cas no
The CAS Registry Mumber 2557-81-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,5 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2557-81:
(6*2)+(5*5)+(4*5)+(3*7)+(2*8)+(1*1)=95
95 % 10 = 5
So 2557-81-5 is a valid CAS Registry Number.
InChI:InChI=1/C6H5F5S/c7-12(8,9,10,11)6-4-2-1-3-5-6/h1-5H
2557-81-5Relevant articles and documents
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Roberts,H.L.
, p. 3183 - 3185 (1962)
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Enhanced preparation of aryl and heteryl sulfur pentafluorides using mercury (II) oxide - hydrogen fluoride media as a fluorinating reagent
Fetyukhin, Volodymyr N.,Guzyr, Olexandr I.,Kozel, Volodymyr N.,Rozhenko, Olexandr B.,Rusanov, Eduard B.,Shermolovich, Yuriy G.
, (2020/09/18)
We developed enhanced method for low temperature and good yield preparation of aryl and heteryl sulfur pentafluorides from chlorotetrafluorides using mercury oxide - hydrogen fluoride and mercury oxide - pyridinium poly(hydrogen fluoride) media as the fluorinating reagents.
Pyridine-promoted dediazoniation of aryldiazonium tetrafluoroborates: Application to the synthesis of SF5-substituted phenylboronic esters and iodobenzenes
Iakobson, George,Du, Junyi,Slawin, Alexandra M. Z.,Beier, Petr
, p. 1494 - 1502 (2016/04/09)
Pyridine promotes dediazoniation of aryldiazonium tetrafluoroborates. The formed aryl radicals were trapped with B2pin2, iodine, or tetrahydrofuran to afford boronic esters, iodobenzenes and benzenes, respectively. The application to the synthesis of (pentafluorosulfanyl) phenylboronic esters, iodo(pentafluorosulfanyl)benzenes and (pentafluorosulfanyl)benzene is shown.
