1-Methyl-1H-pyrazole-5-boronicacidpinacolester

Modify Date: 2024-01-06 13:24:38

1-Methyl-1H-pyrazole-5-boronicacidpinacolester Structure
1-Methyl-1H-pyrazole-5-boronicacidpinacolester structure
Common Name 1-Methyl-1H-pyrazole-5-boronicacidpinacolester
CAS Number 847818-74-0 Molecular Weight 208.065
Density 1.1±0.1 g/cm3 Boiling Point 308.3±15.0 °C at 760 mmHg
Molecular Formula C10H17BN2O2 Melting Point 58-61°C
MSDS N/A Flash Point 140.3±20.4 °C

 Names

Name 1-Methyl-1H-pyrazole-5-boronic acid pinacol ester
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 308.3±15.0 °C at 760 mmHg
Melting Point 58-61°C
Molecular Formula C10H17BN2O2
Molecular Weight 208.065
Flash Point 140.3±20.4 °C
Exact Mass 208.138306
PSA 36.28000
LogP 0.71930
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.505

 Safety Information

Hazard Codes Xn: Harmful;
Risk Phrases R22
Safety Phrases S26
HS Code 2934999090

 Synthetic Route

~79%

1-Methyl-1H-pyrazole-5-boronicacidpinacolester Structure

1-Methyl-1H-pyr...

CAS#:847818-74-0

Literature: WO2009/158374 A2, ; Page/Page column 30 ; WO 2009/158374 A2

~52%

1-Methyl-1H-pyrazole-5-boronicacidpinacolester Structure

1-Methyl-1H-pyr...

CAS#:847818-74-0

Literature: WO2007/120729 A2, ; Page/Page column 62-63 ; WO 2007/120729 A2

~85%

1-Methyl-1H-pyrazole-5-boronicacidpinacolester Structure

1-Methyl-1H-pyr...

CAS#:847818-74-0

Literature: Journal of Heterocyclic Chemistry, , vol. 41, # 6 p. 931 - 939

~%

1-Methyl-1H-pyrazole-5-boronicacidpinacolester Structure

1-Methyl-1H-pyr...

CAS#:847818-74-0

Literature: US2012/316166 A1, ; Page/Page column 71 ;

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

1-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole
MFCD05861380
1-Methyl-1H-pyrazole-5-boronicacidpinacolester