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137628-17-2

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137628-17-2 Usage

Uses

2,3-Dibromo-5-chloropyridine has been used as a reactant for regiospecific Grignard reactions with lactones.

Check Digit Verification of cas no

The CAS Registry Mumber 137628-17-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,6,2 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 137628-17:
(8*1)+(7*3)+(6*7)+(5*6)+(4*2)+(3*8)+(2*1)+(1*7)=142
142 % 10 = 2
So 137628-17-2 is a valid CAS Registry Number.
InChI:InChI=1/C5H2Br2ClN/c6-4-1-3(8)2-9-5(4)7/h1-2H

137628-17-2 Well-known Company Product Price

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  • Alfa Aesar

  • (H34010)  2,3-Dibromo-5-chloropyridine, 96%   

  • 137628-17-2

  • 1g

  • 403.0CNY

  • Detail
  • Alfa Aesar

  • (H34010)  2,3-Dibromo-5-chloropyridine, 96%   

  • 137628-17-2

  • 10g

  • 2514.0CNY

  • Detail

137628-17-2SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 10, 2017

Revision Date: Aug 10, 2017

1.Identification

1.1 GHS Product identifier

Product name 5-Chloro-2,3-dibromopyridine

1.2 Other means of identification

Product number -
Other names 2,3-dibromo-5-chloropyridine

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:137628-17-2 SDS

137628-17-2Relevant articles and documents

Chiral Hexahalogenated 4,4′-Bipyridines

Mamane,Peluso,Aubert,Cossu,Pale

, p. 4576 - 4587 (2016/07/06)

The preparation of 27 isomers of chiral hexahalogeno-4,4′-bipyridines by means of two complementary methods is described. The first one is convergent and based on the LDA-induced 4,4′-dimerization of trihalopyridines, whereas the second method is divergent and achieved through regioselective halogenation reactions of 4,4′-bipyridine-2,2′-diones. Iodine in 2,2′-positions of the 4,4′-bipyridines was introduced by a copper-catalyzed Finkelstein reaction (Buchwald procedure) performed on 2,2′-dibromo derivatives. Selected compounds of this new family of atropisomeric 4,4′-bipyridines were enantioseparated by high performance liquid chromatography on chiral stationary phases, and the absolute configurations of the separated enantiomers were assigned by using X-ray diffraction analysis. The latter revealed that various halogen bond types are responsible for crystal cohesion.

3-bromo-5-chloro-pyridines used as intermediates in the synthesis of azatetralones

-

, (2008/06/13)

Compounds of the formula STR1 wherein R1 is hydrogen, fluoro, chloro, bromo, nitro, trifluoromethyl, C1 to C4 alkoxy, C1 to C4 alkylthio or C1 to C6 alkyl and R2 is a group of the formula STR2 wherein R3 is hydrogen or C1 to C6 alkyl, R4 is --CH=C2, --CH2 --YR5, or --COR6, R5 is hydrogen or an acid labile alcohol protecting group, Y is oxygen or sulfur, and R6 is --NR7 R8 or --OR9 wherein R7, R8 and R9 are independently selected from hydrogen or C1 to C6 alkyl, or an alkaline or alkaline earth metal salt thereof, which are intermediates in the preparation of hydantoin aldose reductase inhibitors and methods of preparing these intermediates.

6-CHLORO-3,4-DIHYDRO-PYRANO [2,3-B]PYRIDINES HAVING THE R CONFIGURATION

-

, (2008/06/13)

The present invention relates to processes and intermediates for the preparation of spiro-heteroazolones. The latter compounds are useful as aldose reductase inhibitors

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