5-NITROQUINOXALINE

Product Name: 5-NITROQUINOXALINE
CAS No.: 18514-76-6
Chemical Name: 5-NITROQUINOXALINE
Synonyms: 5-NITROQUINOXALINE;5-nitro-quinoxalin;Quinoxaline, 5-nitro-
CBNumber: CB7436677
Molecular Formula: C8H5N3O2
Formula Weight: 175.14
MOL File: 18514-76-6.mol

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5-NITROQUINOXALINE Property

Melting point:: 90-92℃
Boiling point:: 329℃
Density: 1.437
Flash point:: 153℃
storage temp.: 2-8°C
pka: -2.09±0.30(Predicted)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

AK Scientific

Product number: 9679AA
Product name: 5-Nitroquinoxaline
Packaging: 1g
Price: $415
Updated: 2021/12/16

Matrix Scientific

Product number: 085575
Product name: 5-Nitroquinoxaline
Purity: 97%
Packaging: 1g
Price: $470
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: CHM0985420
Product name: 5-NITROQUINOXALINE
Purity: 95.00%
Packaging: 5MG
Price: $496.16
Updated: 2021/12/16

Alichem

Product number: 18514766
Product name: 5-Nitroquinoxaline
Packaging: 1g
Price: $544.39
Updated: 2021/12/16

Crysdot

Product number: CD11178474
Product name: 5-Nitroquinoxaline
Purity: 95+%
Packaging: 5g
Price: $594
Updated: 2021/12/16

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5-NITROQUINOXALINE Chemical Properties,Usage,Production

Synthesis

131543-46-9

3694-52-8

18514-76-6

The general procedure for the synthesis of 5-nitroquinoxaline from the compound (CAS:131543-46-9) and 3-nitro-o-phenylenediamine was as follows: general method 108: Acetaldehyde (40% aqueous solution, 1.43 mL, 31.3 mmol) was added to a solution of 3-nitro-o-phenylenediamine (600 mg, 3.9 mmol) in ethanol (15 mL). The reaction mixture was heated to reflux at 85 °C for 2 hours. After completion of the reaction, the solvent was removed by distillation under reduced pressure, the residue was diluted with an appropriate amount of water and the aqueous phase was extracted with dichloromethane (DCM). The organic phases were combined, dried with anhydrous sodium sulfate (Na2SO4), filtered and concentrated under reduced pressure. The crude product was purified by column chromatography using dichloromethane/methanol (99:1, v/v) as eluent to afford the target compound 5-nitroquinoxaline (666 mg, 97% yield). Molecular weight (MW): 175.15. High performance liquid chromatography-mass spectrometry (HPLC-MS, Method C) analysis: [m/z]: 176.

References

[1] Patent: US2012/214803, 2012, A1. Location in patent: Page/Page column 174
[2] Patent: WO2016/77240, 2016, A2. Location in patent: Page/Page column 68
[3] Patent: CN107805223, 2018, A. Location in patent: Paragraph 0019
[4] Bioorganic and Medicinal Chemistry, 2008, vol. 16, # 14, p. 6707 - 6723
[5] Patent: EP1147083, 2004, B1. Location in patent: Page 38

5-NITROQUINOXALINE Preparation Products And Raw materials

Raw materials

Preparation Products

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5-NITROQUINOXALINE Suppliers

China 25 India 4 South Korea 1 Switzerland 1 United Kingdom 1 United States 5 Global 37

Shanghai T&W Pharmaceutical Co., Ltd.

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Energy Chemical

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18514-76-6, 5-NITROQUINOXALINERelated Search:

PYRIMIDINE, 5-NITRO-2-(1-PIPERAZINYL)- 5-Nitro-thiophene-3-carboxylic acid Methyl ester 5-NITRO-2-(2,2,2-TRIFLUOROETHOXY)PYRIDINE 5-NITRO-2,3-DIHYDRO-1,4-BENZODIOXINE 3-HYDROXY-5-NITROPYRIDINE 5-Nitro-3-(trifluoromethyl)-2-pyridinamine Methyl 5-nitro-2-pyridinecarboxylate 5-NITROBENZOTHIAZOLE 5-Chloro-2-Nitroacetanilide 2-METHYL-7-METHYLAMINO-D3-8-NITRO-QUINOXALINE 2,3-DIMETHYL-5-NITRO-6-METHYLAMINO-7-METHYL-QUINOXALINE 6-METHYLAMINO-5-NITROQUINOXALINE 2-METHYL-7-METHYLAMINO-8-NITRO-QUINOXALINE 5-NITROQUINOXALINE 1,6-DINITROPHENAZINE 1,9-DINITROPHENAZINE 1-NITROPHENAZINE 1,7-DINITROPHENAZINE

5-nitro-quinoxalin

5-NITROQUINOXALINE

Quinoxaline, 5-nitro-

18514-76-6