4-Pyrazoleboronic Acid Pinacol Ester is used in the preparation of Rho kinase (ROCK) inhibitors as wella s other biologically active compounds.

CAS：269410-08-4
中文别名：2-二氧硼烷-2-基)-1H-吡唑;1H-吡唑-4-硼酸频哪醇酯;4-(4,4,5,5-四甲基-1,3,2-二氧硼戊环-2-基)吡唑;吡唑-4-硼酸凤梨醇酯;
英文别名：4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole;2-(4-Pyrazolyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane;Pyrazole-4-boronic;2-(1H-Pyrazole-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane;4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole;1H-Pyrazole-4-Boronic Acid Pinacol Ester;4-Pyrazoleboronic acid pinacol ester;1h-pyrazole-4-boronic acid,pinacol ester;4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole;4,4,5,5-Tetramethyl-2-(1H-pyrazol-4-yl)-1,3,2-dioxaborolane;4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole;Pyrazole-4-boronic acid pinacol ester;
分子式：C9H15BN2O2
分子量：194.039
精确质量：194.123
Psa：47.14
Logp：0.7089

MDL号：MFCD03453063

外观与性状：灰白色至黄褐色的粉末
密度：1.09g/cm3
沸点：335.4ºC at 760mmHg
熔点：142-146°C(lit.)
闪点：156.6ºC
折射率：1.487
水溶解性：insoluble
储存条件：Refrigerator (+4ºC)
蒸汽压：0mmHg at 25°C

安全说明：S26-S36
危险类别码：R36/37/38
WGK Germany：3
海关编码：2933199090
危险品标志：Xi
信号词：Warning
危险性防范说明：P261; P305 + P351 + P338
危险标志：GHS07
危险性描述：H315; H319; H335