ChemicalBook > CAS DataBase List > methyl 3-bromopyrazine-2-carboxylate
methyl 3-bromopyrazine-2-carboxylate
- Product Name
- methyl 3-bromopyrazine-2-carboxylate
- CAS No.
- 51171-02-9
- Chemical Name
- methyl 3-bromopyrazine-2-carboxylate
- Synonyms
- 3-BroMo-pyrazine-2-carboxylic acid Methyl ester;Methyl 3-BroMo-2-pyrazinecarboxylate;Methyl 3-bromopyrazine-2-carbo;Methyl 2-bromopyrazine-3-carboxylate;methyl 3-bromopyrazine-2-carboxylate;Methyl 3-bromopyrazine-2-carboxylate 96%;3-bromo-2-Pyrazinecarboxylic acid methyl ester;2-Bromopyrazine-3-carboxylic acid methyl ester;Pyrazinecarboxylic acid, 3-bromo-, methyl ester;2-Pyrazinecarboxylic acid, 3-bromo-, methyl ester
- CBNumber
- CB92123933
- Molecular Formula
- C6H5BrN2O2
- Formula Weight
- 217.02
- MOL File
- 51171-02-9.mol
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methyl 3-bromopyrazine-2-carboxylate Property
- Melting point:
- 44℃
- Boiling point:
- 264.7±35.0℃ (760 Torr)
- Density
- 1.669±0.06 g/cm3 (20 ºC 760 Torr)
- Flash point:
- 113.9±25.9℃
- storage temp.
- 2-8°C
- form
- solid
- pka
- -2.41±0.10(Predicted)
- color
- Off-white to grey
- InChI
- InChI=1S/C6H5BrN2O2/c1-11-6(10)4-5(7)9-3-2-8-4/h2-3H,1H3
- InChIKey
- CMITUAXQMWSHLL-UHFFFAOYSA-N
- SMILES
- C1(C(OC)=O)=NC=CN=C1Br
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Safety
- HS Code
- 2933998090
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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
H332Harmful if inhaled
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P280Wear protective gloves/protective clothing/eye protection/face protection.
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
TRC
- Product number
- M296045
- Product name
- Methyl3-bromopyrazine-2-carboxylate
- Packaging
- 1g
- Price
- $75
- Updated
- 2021/12/16
Usbiological
- Product number
- 283166
- Product name
- Methyl 3-bromopyrazine-2-carboxylate
- Packaging
- 100mg
- Price
- $353
- Updated
- 2021/12/16
TRC
- Product number
- M296045
- Product name
- Methyl3-bromopyrazine-2-carboxylate
- Packaging
- 250mg
- Price
- $55
- Updated
- 2021/12/16
AK Scientific
- Product number
- J97938
- Product name
- Methyl3-bromopyrazine-2-carboxylate
- Packaging
- 1g
- Price
- $60
- Updated
- 2021/12/16
American Custom Chemicals Corporation
- Product number
- HCH0105849
- Product name
- METHYL 3-BROMOPYRAZINE-2-CARBOXYLATE
- Purity
- 95.00%
- Packaging
- 250MG
- Price
- $831.6
- Updated
- 2021/12/16
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methyl 3-bromopyrazine-2-carboxylate Chemical Properties,Usage,Production
Synthesis
16298-03-6
51171-02-9
General procedure for the synthesis of methyl methyl 3-bromopyrazine-2-carboxylate from methyl 3-aminopyrazine-2-carboxylate: bromine (3.91 g, 24.46 mmol) was added slowly and dropwise at 0 °C to a stirred mixture containing methyl 3-aminopyrazine-2-carboxylate (1.27 g, 8.29 mmol) and hydrobromic acid (4.70 mL, 41.5 mmol). . Subsequently, a solution of sodium nitrite (1.44 g, 20.9 mmol) dissolved in water (6 mL) was added dropwise. The reaction mixture was continued to be stirred at 0 °C for 15 min. Upon completion of the reaction, the pH was adjusted to 8 with saturated aqueous sodium bicarbonate solution, followed by extraction with ethyl acetate (80 mL) and chloroform (50 mL). The organic phases were combined, dried with anhydrous magnesium sulfate, and concentrated under reduced pressure to afford 1.13 g (63% yield) of an orange oil, which solidified to the target product, methyl methyl-3-bromopyrazine-2-carboxylate, upon standing.
References
[1] Patent: WO2006/91506, 2006, A2. Location in patent: Page/Page column 47
[2] Patent: WO2006/49681, 2006, A2. Location in patent: Page/Page column 45-46
[3] Patent: WO2006/121588, 2006, A2. Location in patent: Page/Page column 51
[4] Patent: WO2006/121860, 2006, A2. Location in patent: Page/Page column 51
[5] Patent: WO2006/121904, 2006, A1. Location in patent: Page/Page column 51
methyl 3-bromopyrazine-2-carboxylate Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from methyl 3-bromopyrazine-2-carboxylate manufacturers
Shaanxi Dideu Medichem Co. Ltd
- Product
- Methyl 3-bromopyrazine-2-carboxylate 51171-02-9
- Price
- US $0.00-0.00/Kg
- Min. Order
- 1KG
- Purity
- 99.0%+
- Supply Ability
- 800 tons
- Release date
- 2020-04-29
Career Henan Chemical Co
- Product
- methyl 3-bromopyrazine-2-carboxylate 51171-02-9
- Price
- US $1.00/g
- Min. Order
- 100g
- Purity
- 99%
- Supply Ability
- KG/G
- Release date
- 2019-12-18
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