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3511-90-8

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3511-90-8 Usage

Chemical Properties

clear colorless liquid

Uses

4-Bromo-2,3,5,6-tetrafluoropyridine was used in the preparation of 2,3,5,6-tetrafluoro-pyridylcadmium or 2,3,5,6-tetrafluoropyridylzinc reagent.

General Description

4-Bromo-2,3,5,6-tetrafluoropyridine is also referred as 4-bromotetrafluoropyridine. Regioselective nucleophilic substitution and palladium catalyzed Suzuki-Miyaura reactions of 4-bromo-2,3,5,6-tetrafluoropyridine has been reported. Quantum mechanical calculations of energies, geometries and vibrational wave numbers of 4-bromo-2,3,5,6-tetrafluoropyridine have been evaluated by density functional theory.

Check Digit Verification of cas no

The CAS Registry Mumber 3511-90-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,5,1 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 3511-90:
(6*3)+(5*5)+(4*1)+(3*1)+(2*9)+(1*0)=68
68 % 10 = 8
So 3511-90-8 is a valid CAS Registry Number.
InChI:InChI=1/C5BrF4N/c6-1-2(7)4(9)11-5(10)3(1)8

3511-90-8 Well-known Company Product Price

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  • Aldrich

  • (339784)  4-Bromo-2,3,5,6-tetrafluoropyridine  98%

  • 3511-90-8

  • 339784-1G

  • 600.21CNY

  • Detail

3511-90-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-bromo-2,3,5,6-tetrafluoropyridine

1.2 Other means of identification

Product number -
Other names 4-Brom-2,3,5,6-tetrafluorpyridin

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:3511-90-8 SDS

3511-90-8Relevant articles and documents

Halogen Bonds of Halotetrafluoropyridines in Crystals and Co-crystals with Benzene and Pyridine

Schwabedissen, Jan,Trapp, Pia C.,Stammler, Hans-Georg,Neumann, Beate,Lamm, Jan-Hendrik,Vishnevskiy, Yury V.,K?rte, Leif A.,Mitzel, Norbert W.

, p. 7339 - 7350 (2019/05/16)

The structures of the three para-substituted halotetrafluoropyridines with chlorine, bromine, and iodine have been determined in the solid state (X-ray diffraction). The structures of these compounds and that of pentafluoropyridine were also determined in the gas phase (electron diffraction). Structures in the solid state of the bromine and iodine derivatives exhibit halogen bonding as a structure-determining motif. On the way to an investigation of halogen bond formation of halotetrafluoropyridines in the solid state with the stronger Lewis base pyridine, co-crystals of benzene adducts were investigated to gain an understanding of the influence of aryl–aryl interactions. These co-crystals showed halogen bonding only for the two heavier halotetrafluoropyridines. In the pyridine co-crystals halogen bonding was observed for all three para-halotetrafluoropyridines. The formation of homodimers and heterodimers with pyridine is also supported by quantum-chemical calculations of electron density topologies and natural bond orbitals.

Perfluorozinc aromatics by direct insertion of zinc into C-F or C-CL bonds

Miller, Alexey O.,Krasnov, Vyacheslav I.,Peters, Dietmar,Platonov, Vyacheslav E.,Miethchen, Ralf

, p. 3817 - 3819 (2007/10/03)

For the first time perfluoroaromatic organozinc compounds were obtained by direct action of zinc on C-F bonds in the presence of metal salts (SnCl2, CuCl2, ZnBr2). The reactions are accelerated by ultrasound. The scope of

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