ChemicalBook > CAS DataBase List > 1-Phenylpyrazole-4-boronic acid
1-Phenylpyrazole-4-boronic acid
- Product Name
- 1-Phenylpyrazole-4-boronic acid
- CAS No.
- 1201643-70-0
- Chemical Name
- 1-Phenylpyrazole-4-boronic acid
- Synonyms
- 1-phenypyrazole-4-boronic acid;1-Phenylpyrazole-4-boronic acid;(1-phenylpyrazol-4-yl)boronic acid;1-Phenyl-1H-pyrazole-4-boronic acid;(1-Phenyl-1H-pyrazol-4-yl)boronic acid;Boronic acid, B-(1-phenyl-1H-pyrazol-4-yl)-;1-Phenyl-1H-pyrazole-4-boronicacid (contains varying amounts of Anhydride)
- CBNumber
- CB42563734
- Molecular Formula
- C9H9BN2O2
- Formula Weight
- 187.99
- MOL File
- 1201643-70-0.mol
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1-Phenylpyrazole-4-boronic acid Property
- Boiling point:
- 393.1±34.0 °C(Predicted)
- Density
- 1.20±0.1 g/cm3(Predicted)
- storage temp.
- Inert atmosphere,Store in freezer, under -20°C
- pka
- 7.44±0.10(Predicted)
- Appearance
- White to yellow Solid
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Safety
- HS Code
- 2933199090
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P280Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
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
- P399728
- Product name
- 1-Phenylpyrazole-4-boronicAcid
- Packaging
- 10mg
- Price
- $45
- Updated
- 2021/12/16
Apolloscientific
- Product number
- OR361529
- Product name
- 1-Phenylpyrazole-4-boronic acid
- Packaging
- 1g
- Price
- $349
- Updated
- 2021/12/16
American Custom Chemicals Corporation
- Product number
- BOR0003809
- Product name
- 1-PHENYL-1H-PYRAZOLE-4-YLBORONIC ACID
- Purity
- 97.00%
- Packaging
- 1G
- Price
- $475.65
- Updated
- 2021/12/16
Apolloscientific
- Product number
- OR361529
- Product name
- 1-Phenylpyrazole-4-boronic acid
- Packaging
- 250mg
- Price
- $160
- Updated
- 2021/12/16
AK Scientific
- Product number
- Z8195
- Product name
- 1-Phenylpyrazole-4-boronicacid
- Packaging
- 5g
- Price
- $901
- Updated
- 2021/12/16
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1-Phenylpyrazole-4-boronic acid Chemical Properties,Usage,Production
Definition
ChEBI: (1-Phenyl-1H-pyrazol-4-yl)boronic acid is a ring assembly and a member of pyrazoles.
Synthesis
1002334-12-4
1201643-70-0
General procedure for the synthesis of 1-phenyl-1H-pyrazole-4-boronic acid pinacol ester from 1-phenyl-1H-pyrazole-4-boronic acid pinacol ester: To a solution of 1-phenyl-1H-pyrazole-4-boronic acid pinacol ester (0.6 g, 3.1 mmol) in acetone/water (30 mL, v/v = 1:1) was added sodium periodate (NaIO4, 2.0 g, 9.3 mmol) and ammonium acetate (NH4OAc, 0.54 g, 7.1 mmol). The reaction mixture was stirred at room temperature overnight. After completion of the reaction, the mixture was concentrated to give a residue. The residue was purified by column chromatography (eluent: methanol/dichloromethane = 1:5) to afford the target product 1-phenyl-1H-pyrazole-4-boronic acid (0.3 g, 89% yield) as a light yellow solid. Mass spectrometry (MS) analysis showed a molecular ion peak (m/z) of 189 ([M+H]+).
References
[1] Patent: WO2009/155527, 2009, A2. Location in patent: Page/Page column 134-135
1-Phenylpyrazole-4-boronic acid Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 1-Phenylpyrazole-4-boronic acid manufacturers
Career Henan Chemical Co
- Product
- 1-Phenylpyrazole-4-boronic acid 1201643-70-0
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- 98%-100%
- Supply Ability
- 1
- Release date
- 2018-08-12
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