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103994-89-4

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103994-89-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103994-89-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,9,9 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 103994-89:
(8*1)+(7*0)+(6*3)+(5*9)+(4*9)+(3*4)+(2*8)+(1*9)=144
144 % 10 = 4
So 103994-89-4 is a valid CAS Registry Number.

103994-89-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-Bromo-4,5-difluorobenzoyl chloride

1.2 Other means of identification

Product number -
Other names 2-Bromo-3,4-difluoro aniline

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:103994-89-4 SDS

103994-89-4Relevant articles and documents

Synthesis of Methoxy-, Methylenedioxy-, Hydroxy-, and Halo-Substituted Benzophenanthridinone Derivatives as DNA Topoisomerase IB (TOP1) and Tyrosyl-DNA Phosphodiesterase 1 (TDP1) Inhibitors and Their Biological Activity for Drug-Resistant Cancer

Hu, De-Xuan,Tang, Wen-Lin,Zhang, Yu,Yang, Hao,Wang, Wenjie,Agama, Keli,Pommier, Yves,An, Lin-Kun

, p. 7617 - 7629 (2021/06/25)

As a recently discovered DNA repair enzyme, tyrosyl-DNA phosphodiesterase 1 (TDP1) removes topoisomerase IB (TOP1)-mediated DNA protein cross-links. Inhibiting TDP1 can potentiate the cytotoxicity of TOP1 inhibitors and overcome cancer cell resistance to

Ni-Catalyzed Alkene Carboacylation via Amide C-N Bond Activation

Walker, James A.,Vickerman, Kevin L.,Humke, Jenna N.,Stanley, Levi M.

supporting information, p. 10228 - 10231 (2017/08/10)

We report Ni-catalyzed formal carboacylation of o-allylbenzamides with arylboronic acid pinacol esters. The reaction is triggered by oxidative addition of an activated amide C-N bond to a Ni(0) catalyst and proceeds via alkene insertion into a Ni(II)-acyl bond. The exo-selective carboacylation reaction generates 2-benzyl-2,3-dihydro-1H-inden-1-ones in moderate to high yields (46-99%) from a variety of arylboronic acid pinacol esters and substituted o-allylbenzamides. These results show that amides are practical substrates for alkene carboacylation via amide C-N bond activation, and this approach bypasses challenges associated with alkene carboacylation triggered by C-C bond activation.

Palladium-catalyzed ring-opening of cyclopropyl benzamides: Synthesis of benzo[c]azepine-1-ones via C(sp3)-H functionalization

Ladd, Carolyn L.,Roman, Daniela Sustac,Charette, André B.

supporting information, p. 4479 - 4487 (2013/06/26)

A variety of difficult to obtain benzo[c]azepine-1-ones are synthesized via a novel palladium-catalyzed, silver-promoted intramolecular cyclization of cyclopropyl benzamides. This biologically important class of molecules is prepared in an efficient and high-yielding manner from easily accessible starting materials. Both aryl bromides and iodides are effective substrates for the transformation. Mechanistic studies indicate that the reaction proceeds through a cyclopropyl C(sp3)-H cleavage step, followed by ring-opening, deprotonation, and reductive elimination.

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