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(1-Methyl-1H-Pyrazol-5-yl)-Boronic Acid

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Origin: China

Cas No: 720702-41-0

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

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CAS No.: 720702-41-0 Formula: C4H7BN2O2 Molecular Weight: 125.92200

Basic Info

Chemical Name	(1-Methyl-1H-Pyrazol-5-yl)-Boronic Acid
Synonyms	(2-methylpyrazol-3-yl)boronic acid;
CAS No.	720702-41-0
Molecular Formula	C4H7BN2O2
Molecular Weight	125.92200
PSA	58.28000
LogP	-1.90010

Properties

Density	1.23 g/cm3
Boiling Point	323ºC at 760 mmHg
Flash Point	149.1ºC

Safety Info

HS Code	2933199090

Synthesis Route

N-methylpyrazole→(1-Methyl-1H-Pyrazol-5-yl)-Boronic Acid
N-methylpyrazole+Triisopropyl Borate→(1-Methyl-1H-Pyrazol-5-yl)-Boronic Acid
N-methylpyrazole+trimethyl borate→(1-Methyl-1H-Pyrazol-5-yl)-Boronic Acid

Precursor

trimethyl borate
N-methylpyrazole
Triisopropyl Borate

Downstream Product

5-(2-methoxy-5-nitrophenyl)-1-methylpyrazole
1-methyl-5-(4-methylphenyl)pyrazole
1-Methyl-1H-pyrazole-5-boronic acid pinacol ester

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