IUPAC Name: 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole
Synonyms of 1H-Indole,5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- (CAS NO.269410-24-4): Indole-5-boronic acid pinacol ester ; 1h-indole-5-boronic acid, pinacol ester ; 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1h-indole ; 5-Indoleboronic acid, pinacol ester ; 5-Indolylboronic acid, pinacol ester ; 5-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-1h-indole 97+% ; 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl) indole ; 5-Indolylboronic acid, pinacol cyclic ester
CAS NO: 269410-24-4
Molecular Formula of 1H-Indole,5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- (CAS NO.269410-24-4): C₁₄H₁₈BNO₂ Molecular Weight: 243.1092
Molecular Structure:

H bond acceptors: 3
H bond donors: 1
Freely Rotating Bonds: 1
Polar Surface Area: 23.39 Å²
Index of Refraction: 1.562
Molar Refractivity: 70.93 cm³
Molar Volume: 218.5 cm³
Surface Tension: 39.5 dyne/cm
Density of 1H-Indole,5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- (CAS NO.269410-24-4): 1.11 g/cm³
Flash Point: 193.3 °C
Enthalpy of Vaporization: 62.1 kJ/mol
Boiling Point: 396 °C at 760 mmHg
Vapour Pressure: 4.03E-06 mmHg at 25°C 
Melting point: 120-125 °C

Hazard Codes: Xi,Xn
Risk Statements: 36/37/38-22 
R36/37/38: Irritating to eyes, respiratory system and skin. 
R22: Harmful if swallowed.
Safety Statements: 26-36-36/37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36: Wear suitable protective clothing. 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
WGK Germany: 3
Hazard Note: Irritant