The 4-Ethoxy-3-methoxybenzaldehyde, with the CAS registry number 120-25-2 and EINECS registry number  204-382-1, has the systematic name of 4-ethoxy-3-methoxybenzaldehyde. It belongs to the following product categories: Aromatic Aldehydes & Derivatives (substituted); Benzaldehyde; Adehydes, Acetals & Ketones; Anisoles, Alkyloxy Compounds & Phenylacetates. And the molecular formula of the chemical is C₁₀H₁₂O₃. What's more, while dealing with this chemical, you should try to avoid contacting with skin and eyes.

The characteristics of 4-Ethoxy-3-methoxybenzaldehyde are as followings: (1)ACD/LogP: 2.14; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.14; (4)ACD/LogD (pH 7.4): 2.14; (5)ACD/BCF (pH 5.5): 25.06; (6)ACD/BCF (pH 7.4): 25.06; (7)ACD/KOC (pH 5.5): 349.14; (8)ACD/KOC (pH 7.4): 349.14; (9)#H bond acceptors: 3; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 35.53 Å²; (13)Index of Refraction: 1.528; (14)Molar Refractivity: 50.99 cm³; (15)Molar Volume: 165.6 cm³; (16)Polarizability: 20.21×10^-24cm³; (17)Surface Tension: 35.9 dyne/cm; (18)Density: 1.088 g/cm³; (19)Flash Point: 119.6 °C; (20)Enthalpy of Vaporization: 52.87 kJ/mol; (21)Boiling Point: 289.4 °C at 760 mmHg; (22)Vapour Pressure: 0.0022 mmHg at 25°C.

Uses of 4-Ethoxy-3-methoxybenzaldehyde: It can react with 8-acetyl-7-hydroxy-4-methyl-chromen-2-one to produce 8-[3-(4-ethoxy-3-methoxy-phenyl)-acryloyl]-7-hydroxy-4-methyl-chromen-2-one. This reaction will need reagent KOH (40%), and the menstruum methanol. And the yield is about 77%. 

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: O=Cc1cc(OC)c(OCC)cc1
(2)InChI: InChI=1/C10H12O3/c1-3-13-9-5-4-8(7-11)6-10(9)12-2/h4-7H,3H2,1-2H3
(3)InChIKey: BERFDQAMXIBOHM-UHFFFAOYAQ