IUPAC Name: 1-Tritylimidazole-4-carbaldehyde 
Following is the structure of 1H-Imidazole-4-carboxaldehyde,1-(triphenylmethyl)- (CAS NO.33016-47-6):
                           
Empirical Formula: C₂₃H₁₈N₂O
Molecular Weight: 338.4018 g/mol
Molar Refractivity: 106.74 cm³
Molar Volume: 306.8 cm³
Density: 1.1 g/cm³
Flash Point: 257.9 °C
Melting point: 180-190 °C
Index of Refraction: 1.612
Surface Tension: 45.6 dyne/cm
Enthalpy of Vaporization: 77.2 kJ/mol
Boiling Point: 502.8 °C at 760 mmHg
Vapour Pressure: 3.06E-10 mmHg at 25 °C
Product Categories of 1H-Imidazole-4-carboxaldehyde,1-(triphenylmethyl)- (CAS NO.33016-47-6): Aldehydes; blocks; Imidazoles; Heterocyclic Building Blocks
Canonical SMILES: C1=CC=C(C=C1)C(C2=CC=CC=C2)(C3=CC=CC=C3)N4C=C(N=C4)C=O
InChI: InChI=1S/C23H18N2O/c26-17-22-16-25(18-24-22)23(19-10-4-1-5-11-19,20-12-6-2-7-13-20)21-14-8-3-9-15-21/h1-18H
InChIKey: YQYLLBSWWRWWAY-UHFFFAOYSA-N

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

 1H-Imidazole-4-carboxaldehyde,1-(triphenylmethyl)- , its cas register number is 33016-47-6. It also can be called 1-Trityl-1H-imidazole-4-carbaldehyde ; 1-Trityl-4-formylimidazole ; and 1-Tritylimidazole-4-carboxaldehyde .