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Pentafluorosulfanyl isocyanate, with the chemical formula SF5NCO, is a highly reactive and toxic compound that belongs to the family of isocyanates. It is characterized by the presence of a pentafluorosulfanyl (SF5) group attached to an isocyanate (NCO) functional group. This molecule is known for its strong electrophilic properties due to the electron-withdrawing nature of the pentafluorosulfanyl group, which makes it a valuable intermediate in the synthesis of various fluorinated compounds and pharmaceuticals. However, due to its reactivity and potential health hazards, it requires careful handling and storage under controlled conditions.

2375-30-6

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2375-30-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2375-30-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,3,7 and 5 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 2375-30:
(6*2)+(5*3)+(4*7)+(3*5)+(2*3)+(1*0)=76
76 % 10 = 6
So 2375-30-6 is a valid CAS Registry Number.

2375-30-6Relevant academic research and scientific papers

ACYLATIONS OF PENTAFLUOROSULFANYLAMINE, SF5NH2. PART II. REACTIONS OF N-PENTAFLUOROSULFANYLCARBAMYLFLUORIDE, SF5NHC(O)F, AND N-PENTAFLUOROSULFANYLPERFLUOROSUCCINIMIDE,

Thrasher, Joseph S.,Howell, Jon L.,Clifford, Alan F.

, p. 431 - 442 (1984)

The carbamyl fluoride SF5NHC(O)F reacts with both H2O and H2S to give the urea (SF5NH)2CO.Evidence supports that this reaction proceeds through a mechanism involving dehydrofluorination; whereas, the reagents PhLi and PCl5 serve only to dehydrofluorinate SF5NHC(O)F.The ring of the cyclic imide can be readily opened by nucleophiles to give products such as SF5NHC(O)CF2CF2C(O)OH, SF5NHC(O)CF2CF2C(O)NH2, and SF5NHC(O)CF2CF2C(O)OCH3.Attempts to prepare analogous six- and seven-membered cyclic imides failed; however, mono- (SF5NHC(O)(CF2)3,4C(O)F) and disubstituted products (SF5NHC(O)(CF2)3,4C(O)NHSF5) were formed.The amide-acid fluorides are easily hydrolyzed by atmospheric moisture to the amide-acids SF5NHC(O)(CF2)3,4C(O)OH.

Reactions of N-Pentafluorosulfanylurethanes and Thiolurethanes with Phosphorus Pentachloride

Thrasher, Joseph S.,Clifford, Alan F.

, p. 593 - 596 (2007/10/02)

Urethanes of the type SF5NHC(O)OR react with PCl5 to give primarily SF5NCO.In only one case, where R = C6H5, was any evidence for an imine product observed.The corresponding reactions of SF5NHC(O)SR compounds give both SF5NCO and the imine product.The new compounds SF5N=C(Cl)SCH3 and SF5N=C(Cl)SC6H5 were identified by IR, NMR, and mass spectrometry.

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