The 2,3-Difluoro-4-methoxybenzaldehyde, with the cas registry number 256417-11-5, is also called Benzaldehyde, 2,3-difluoro-4-methoxy-, and it is a kind of air sensitive chemical. What's more, being a kind of irritant chemicalif, it may cause inflammation to the skin, so you should be cautious while dealing with it.

The characteristics of this chemical are as followings: (1)ACD/LogP: 2.01; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 2; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 2; (6)Polar Surface Area: 26.3 Å²; (7)Index of Refraction: 1.506; (8)Molar Refractivity: 39.67 cm³; (9)Molar Volume: 133.5 cm³; (10)Polarizability: 15.72×10^-24cm³; (11)Surface Tension: 34.3 dyne/cm; (12)Density: 1.289 g/cm³; (13)Flash Point: 93.7 °C; (14)Enthalpy of Vaporization: 47.25 kJ/mol; (15)Boiling Point: 235.7 °C at 760 mmHg; (16)Vapour Pressure: 0.0494 mmHg at 25°C.

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: Fc1c(F)c(ccc1OC)C=O
(2)InChI: InChI=1/C8H6F2O2/c1-12-6-3-2-5(4-11)7(9)8(6)10/h2-4H,1H3
(3)InChIKey: UBBBLLSKHCENQZ-UHFFFAOYAP