Pyrazole-4-boronic acid pinacol ester

Modify Date: 2025-08-20 19:45:00

Pyrazole-4-boronic acid pinacol ester Structure
Pyrazole-4-boronic acid pinacol ester structure
Common Name Pyrazole-4-boronic acid pinacol ester
CAS Number 269410-08-4 Molecular Weight 194.04
Density 1.1±0.1 g/cm3 Boiling Point 335.4±15.0 °C at 760 mmHg
Molecular Formula C9H15BN2O2 Melting Point 142-146 °C(lit.)
MSDS N/A Flash Point 156.6±20.4 °C

 Use of Pyrazole-4-boronic acid pinacol ester


1H-Pyrazole-4-boronic acid pinacol ester is a biochemical reagent that can be used as a biological material or organic compound for life science related research.

 Names

Name 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
Synonym More Synonyms

 Pyrazole-4-boronic acid pinacol ester Biological Activity

Description 1H-Pyrazole-4-boronic acid pinacol ester is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
Related Catalog

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 335.4±15.0 °C at 760 mmHg
Melting Point 142-146 °C(lit.)
Molecular Formula C9H15BN2O2
Molecular Weight 194.04
Flash Point 156.6±20.4 °C
Exact Mass 194.122665
PSA 47.14000
LogP 0.70890
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.487
Storage condition Refrigerator (+4°C)
Water Solubility insoluble

 Safety Information

Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36
WGK Germany 3
HS Code 2933199090

 Synthetic Route

~%

Pyrazole-4-boronic acid pinacol ester Structure

Pyrazole-4-boro...

CAS#:269410-08-4

Literature: US6680401 B1, ; Page column 58 ;

~86%

Pyrazole-4-boronic acid pinacol ester Structure

Pyrazole-4-boro...

CAS#:269410-08-4

Literature: Angewandte Chemie - International Edition, , vol. 52, # 49 p. 12915 - 12919 Angew. Chem., , vol. 125, # 49 p. 13153 - 13157,5

~56%

Pyrazole-4-boronic acid pinacol ester Structure

Pyrazole-4-boro...

CAS#:269410-08-4

Literature: Journal of the American Chemical Society, , vol. 136, # 11 p. 4287 - 4299

~70%

Pyrazole-4-boronic acid pinacol ester Structure

Pyrazole-4-boro...

CAS#:269410-08-4

Literature: Journal of Organic Chemistry, , vol. 74, # 23 p. 9199 - 9201

 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%

 Synonyms

2-(1H-Pyrazole-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
4-Pyrazoleboronic acid pinacol ester
1h-pyrazole-4-boronic acid,pinacol ester
1H-Pyrazole-4-Boronic Acid Pinacol Ester
4,4,5,5-Tetramethyl-2-(1H-pyrazol-4-yl)-1,3,2-dioxaborolane
4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole
MFCD03453063
Pyrazole-4-boronic
2-(4-Pyrazolyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole
4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
1H-Pyrazole, 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-
Pyrazole-4-boronic acid pinacol ester
Pyrazole-4-boronicacidpinacolester;4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
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