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273-53-0

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273-53-0 Usage

Chemical Properties

COLORLESS TO YELLOW CRYST. LOW MELTING SOLID

Definition

ChEBI: A benzoxazole in which the benzene ring is fused to a 1,3-oxazole ring across positions 4 and 5.

Safety Profile

Poison by intraperitoneal andintravenous routes. Moderately toxic by ingestion. Whenheated to decomposition it emits toxic fumes such asNOx.

Check Digit Verification of cas no

The CAS Registry Mumber 273-53-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,7 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 273-53:
(5*2)+(4*7)+(3*3)+(2*5)+(1*3)=60
60 % 10 = 0
So 273-53-0 is a valid CAS Registry Number.
InChI:InChI=1/C7H5NO/c1-2-4-7-6(3-1)8-5-9-7/h1-5H

273-53-0 Well-known Company Product Price

  • Brand
  • (Code)Product description
  • CAS number
  • Packaging
  • Price
  • Detail
  • Alfa Aesar

  • (A17489)  Benzoxazole, 97+%   

  • 273-53-0

  • 25g

  • 464.0CNY

  • Detail
  • Alfa Aesar

  • (A17489)  Benzoxazole, 97+%   

  • 273-53-0

  • 100g

  • 1349.0CNY

  • Detail
  • Alfa Aesar

  • (A17489)  Benzoxazole, 97+%   

  • 273-53-0

  • 500g

  • 5356.0CNY

  • Detail
  • Aldrich

  • (B11702)  Benzoxazole  98%

  • 273-53-0

  • B11702-25G

  • 586.17CNY

  • Detail

273-53-0SDS

SAFETY DATA SHEETS

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.Identification

1.1 GHS Product identifier

Product name 1,3-benzoxazole

1.2 Other means of identification

Product number -
Other names 1-Oxa-3-aza-1H-indene

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:273-53-0 SDS

273-53-0Relevant articles and documents

-

Kozlov,N.S.,Kiselev,B.I.

, (1966)

-

Photocyclization of o-Nitrophenyl Alkyl Ethers

Oguchi, Shoshichi,Torizuka, Hiroshi

, p. 2425 (1980)

o-Nitrophenyl alkyl ethers 1a, 1b, and 1c undergo photocyclization to give benzoxazoles 2a, 2b, and 2c, respectively.

-

Grellmann,Taner

, p. 375,376 (1974)

-

Synthetic Applications of a New Magnetic Mesoporous Nanocomposite Catalyst Fe3O4@MCM-41@NH-SO3H

Pourhasan-Kisomi, Reyhaneh,Shirini, Farhad,Golshekan, Mostafa

, p. 166 - 175 (2021/04/09)

-

Synthesis of isocyanides by reacting primary amines with difluorocarbene

Si, Yi-Xin,Zhu, Peng-Fei,Zhang, Song-Lin

supporting information, p. 9086 - 9090 (2020/11/30)

A general, convenient, and friendly route for preparing a versatile building block of isocyanides from primary amines is developed. Difluorocarbene, generated in situ from decarboxylation of chlorodifluoroacetate, reacts efficiently with primary amines to produce isocyanides. Various primary amines are well tolerated, including aryl, heteroaryl, benzyl, and alkyl amines, as well as amine residues in amino acids and peptides. Late-stage functionalization of biologically active amines is demonstrated, showing its practical capacity in drug design and peptide modification.

Visible Light-Induced Copper-Catalyzed C—H Arylation of Benzoxazoles?

Ma, Xiaodong,Zhang, Guozhu

supporting information, p. 1299 - 1303 (2020/08/05)

A general method for visible light-induced copper-catalyzed arylation of sp2 C—H bonds of azoles has been developed. The method employs aryl halide as the coupling partner, lithium alkoxide as base. A variety of azoles including benzooxazole and benzothiazole can be arylated. Furthermore, electron-poor heterocycles such as thiophene possessing one electron-withdrawing group can also be arylated.

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