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3164-13-4 Usage

Physical Form



2-(4-Bromo-Phenyl)-Benzooxazole (cas# 3164-13-4) is a useful research chemical.

Check Digit Verification of cas no

The CAS Registry Mumber 3164-13-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,1,6 and 4 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 3164-13:
64 % 10 = 4
So 3164-13-4 is a valid CAS Registry Number.



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

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017


1.1 GHS Product identifier

Product name 2-(4-bromophenyl)-1,3-benzoxazole

1.2 Other means of identification

Product number -
Other names Acetic Acid 4-Methoxybutyl Ester

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:3164-13-4 SDS

3164-13-4Relevant articles and documents

Photocatalytic green synthesis of benzazoles from alcohol oxidation/toluene sp3C-H activation over metal-free BCN: effect of crystallinity and N-B pair exposure

Cheng, Hongmei,Gao, Xue,Jiang, Heyan,Sun, Bin,Zang, Cuicui

, p. 7955 - 7962 (2021/12/27)

Porous borocarbonitride (P-BCN), with the characteristics of enhanced crystallinity and improved N-B pair exposure, was prepared with a simple KCl-assisted molten salt strategy. Efficient heterogeneous photocatalytic tandem synthesis of benzazoles from alcohol oxidation/toluene sp3C-H activation was achieved firstly over the metal-free P-BCN using visible light and the green oxidant O2, with only water as a by-product. Variouso-thio/hydroxy/aminoanilines and alcohols or toluenes could be converted to the corresponding 2-substituted benzothiazoles, benzoxazoles and benzimidazoles with good to excellent photocatalytic performance. The improved photocatalytic performance in comparison to bulk BCN should be due to the crystallinity-enhancement-induced improvement in charge separation and transmission. The increased N-B pair exposure promoted superoxide radical generation due to the electron-enriched N atoms, as well as improved oxidation ability due to the valence band constructed by the B 2p orbital. This work presents a green and efficient synthetic strategy towards benzazoles and other fine chemicalsviametal-free heterogeneous photocatalysis.

Delivering 2-Aryl Benzoxazoles through Metal-Free and Redox-Neutral De-CF3Process

Qiao, Xinxin,Zhao, Yong-De,Rao, Mingru,Bu, Zhan-Wei,Zhang, Guangwu,Xiong, Heng-Ying

, p. 13548 - 13558 (2021/10/01)

An unexpected cleavage of the Csp3-CF3 bond of CF3-hydrobenzoxazoles has been disclosed, affording a range of 2-aryl benzoxazoles under metal-free and redox-neutral conditions. This transformation has demonstrated broad substrate scope and good compatibility of functional groups. 2-Aryl benzothiazole and 2-aryl benzoimidazole could be smoothly assembled in the same manner. On the basis of preliminary mechanistic studies, base initiated and aromatization driven β-carbon elimination was considered to be the key step for the formation of 2. This reaction offers an alternative, facile, and sustainable route to access important 2-aryl benzoxazole motifs.

Organic compound taking carbazole as core and organic electroluminescent device containing organic compound


Paragraph 0070-0073, (2021/02/10)

The invention relates to an organic compound taking carbazole as a core and an organic electroluminescent device containing the organic compound. The compound provided by the invention has relativelyhigh glass transition temperature and molecular thermal stability; the refractive index in the field of visible light is high, and the light extraction efficiency of an OLED device can be effectivelyimproved after the compound is applied to a CPL layer of the OLED device; and the organic electroluminescent device is higher in light-emitting efficiency, better in visual declination angle, better in inhibition of angle dependence of emergent light wavelength and high in yield.

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