(1-Methyl-1H-pyrazol-5-yl)boronic acid

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Names

[ CAS No. ]:
720702-41-0

[ Name ]:
(1-Methyl-1H-pyrazol-5-yl)boronic acid

[Synonym ]:
(2-methylpyrazol-3-yl)boronic acid
Boronic acid, B-(1-methyl-1H-pyrazol-5-yl)-

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
323.0±34.0 °C at 760 mmHg

[ Molecular Formula ]:
C4H7BN2O2

[ Molecular Weight ]:
125.922

[ Flash Point ]:
149.1±25.7 °C

[ Exact Mass ]:
126.060059

[ PSA ]:
58.28000

[ LogP ]:
-0.46

[ Vapour Pressure ]:
0.0±0.7 mmHg at 25°C

[ Index of Refraction ]:
1.534

[ Storage condition ]:
2-8°C

MSDS

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Safety Information

[ Hazard Codes ]:
Xi

[ HS Code ]:
2933199090

Synthetic Route

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Precursor & DownStream

Precursor

  • 1-Methylpyrazole
  • Triisopropylborate
  • Trimethyl borate

DownStream

  • 1-Methyl-1H-pyrazole-5-boronicacidpinacolester
  • 5-(2-Methoxy-5-nitrophenyl)-1-methyl-1H-pyrazole
  • 1-methyl-5-(4-methylphenyl)pyrazole

Customs

[ HS Code ]: 2933199090

[ Summary ]:
2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • (1-Methyl-1H-pyrazol-5-yl)boronic acid
  • (3-Cyano-1-methyl-1H-pyrazol-5-yl)boronic acid
  • 1-Boc-3-methyl-1H-pyrazole-5-boronic Acid
  • (1-((2-(TRIMETHYLSILYL)ETHOXY)METHYL)-1H-PYRAZOL-5-YL)BORONIC ACID
  • [3-(1-Methyl-1H-pyrazol-5-yl)phenyl]boronic acid
  • [4-(1-Methyl-1H-pyrazol-5-yl)phenyl]boronic acid