1-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

Modify Date: 2025-08-27 12:34:37

1-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole Structure
1-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole structure
Common Name 1-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
CAS Number 879487-10-2 Molecular Weight 236.118
Density 1.0±0.1 g/cm3 Boiling Point 327.3±15.0 °C at 760 mmHg
Molecular Formula C12H21BN2O2 Melting Point 43 °C
MSDS N/A Flash Point 151.7±20.4 °C

 Names

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

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 327.3±15.0 °C at 760 mmHg
Melting Point 43 °C
Molecular Formula C12H21BN2O2
Molecular Weight 236.118
Flash Point 151.7±20.4 °C
Exact Mass 236.169601
PSA 36.28000
LogP 1.76320
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.503

 Safety Information

Hazard Codes Xi
Risk Phrases 36/37/38
Safety Phrases 26
HS Code 2934999090

 Synthetic Route

~68%

1-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole Structure

1-Isopropyl-4-(...

CAS#:879487-10-2

Literature: ORION CORPORATION; LINNANEN, Tero; WOHLFAHRT, Gerd; NANDURI, Srinivas; UJJINAMATADA, Ravi; RAJAGOPALAN, Srinivasan; MUKHERJEE, Subhendu Patent: WO2013/53983 A1, 2013 ; Location in patent: Page/Page column 35; 36 ;

~99%

1-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole Structure

1-Isopropyl-4-(...

CAS#:879487-10-2

Literature: Cui, J. Jean; Tran-Dube, Michelle; Shen, Hong; Nambu, Mitchell; Kung, Pei-Pei; Pairish, Mason; Jia, Lei; Meng, Jerry; Funk, Lee; Botrous, Iriny; McTigue, Michele; Grodsky, Neil; Ryan, Kevin; Padrique, Ellen; Alton, Gordon; Timofeevski, Sergei; Yamazaki, Shinji; Li, Qiuhua; Zou, Helen; Christensen, James; Mroczkowski, Barbara; Bender, Steve; Kania, Robert S.; Edwards, Martin P. Journal of Medicinal Chemistry, 2011 , vol. 54, # 18 p. 6342 - 6363

~%

1-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole Structure

1-Isopropyl-4-(...

CAS#:879487-10-2

Literature: WO2010/75270 A1, ; Page/Page column 160-161 ; WO 2010/075270 A1

 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-isopropylpyrazole-4-boronic acid pinacol ester
1H-Pyrazole, 1-(1-methylethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-
1-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
1-Isopropyl-1H-pyrazole-4-boronic acid pinacol ester
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