5-Bromo-8-methylquinoxaline
- Product Name
- 5-Bromo-8-methylquinoxaline
- CAS No.
- 1360599-43-4
- Chemical Name
- 5-Bromo-8-methylquinoxaline
- Synonyms
- 5-Bromo-8-methylquinoxaline;Quinoxaline, 5-bromo-8-methyl-;5-bromo-8-methylquinoxaline(WXC08417)
- CBNumber
- CB63334869
- Molecular Formula
- C9H7BrN2
- Formula Weight
- 223.07
- MOL File
- 1360599-43-4.mol
5-Bromo-8-methylquinoxaline Property
- Boiling point:
- 319.2±37.0 °C(Predicted)
- Density
- 1.565±0.06 g/cm3(Predicted)
- storage temp.
- Sealed in dry,Room Temperature
- pka
- -0.56±0.30(Predicted)
- Appearance
- Off-white to light yellow Solid
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.
N-Bromosuccinimide Price
- Product number
- 2196EG
- Product name
- 5-Bromo-8-methylquinoxaline
- Packaging
- 250mg
- Price
- $492
- Updated
- 2021/12/16
- Product number
- 1360599434
- Product name
- 5-Bromo-8-methylquinoxaline
- Packaging
- 5g
- Price
- $1913.95
- Updated
- 2021/12/16
5-Bromo-8-methylquinoxaline Chemical Properties,Usage,Production
Synthesis
13708-12-8
1360599-43-4
5-Methylquinoxaline (9.50 g, 65.97 mmol) was dissolved in acetonitrile (80 mL) at room temperature, followed by addition of N-bromosuccinimide (27.00 g, 151.74 mmol). The reaction mixture was stirred at 60 °C for 16 hours. Upon completion of the reaction, the mixture was cooled to room temperature and subsequently concentrated under reduced pressure. To the concentrated residue was added ethyl acetate (500 mL) for dilution. Insoluble solids were removed by filtration and the filtrate was sequentially washed with saturated brine and dried with anhydrous sodium sulfate. Finally, the solvent was removed under reduced pressure to afford the target compound 5-bromo-8-methylquinoxaline as a brown solid (6.00 g, 41% yield). Mass spectrometry result: m/z = 222.9 [M + H]+.
References
[1] Patent: WO2017/106607, 2017, A1. Location in patent: Paragraph 00217; 00218
[2] Patent: WO2018/31434, 2018, A1. Location in patent: Paragraph 00198; 00202
5-Bromo-8-methylquinoxaline Preparation Products And Raw materials
Raw materials
Preparation Products
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