The CAS register number of 4,5-Diazafluoren-9-one is 50890-67-0. It also can be called as 4,5-Diaza-9H-fluoren-9-one and the systematic name about this chemical is 5H-cyclopenta[1,2-b:5,4-b']dipyridin-5-one. The molecular formula about this chemical is C₁₁H₆N₂O and molecular weight is 182.18. It belongs to the following product categories, such as Electronic Chemicals; Heterocyclic Building Blocks; N-Containing; Others and so on.

Physical properties about 4,5-Diazafluoren-9-one are: (1)ACD/LogP: 0.98; (2)#H bond acceptors: 3; (3)Polar Surface Area: 42.85Ų; (4)Index of Refraction: 1.688; (5)Molar Refractivity: 50.1 cm³; (6)Molar Volume: 131.2 cm³; (7)Polarizability: 19.86x10^-24cm³; (8)Surface Tension: 70.7 dyne/cm; (9)Enthalpy of Vaporization: 64.66 kJ/mol; (10)Boiling Point: 396.3 °C at 760 mmHg; (11)Vapour Pressure: 1.72E-06 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes, respiratory system and skin. When you are using it, wear suitable gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C2c1cccnc1c3ncccc23
(2)InChI: InChI=1/C11H6N2O/c14-11-7-3-1-5-12-9(7)10-8(11)4-2-6-13-10/h1-6H
(3)InChIKey: PFMTUGNLBQSHQC-UHFFFAOYAM
(4)Std. InChI: InChI=1S/C11H6N2O/c14-11-7-3-1-5-12-9(7)10-8(11)4-2-6-13-10/h1-6H
(5)Std. InChIKey: PFMTUGNLBQSHQC-UHFFFAOYSA-N