Molecular structure of 3,4-Dimethoxycinnamonitrile (CAS NO.6443-72-7) is:

Product Name: 3,4-Dimethoxycinnamonitrile
CAS Registry Number: 6443-72-7
IUPAC Name: (E)-3-(3,4-dimethoxyphenyl)prop-2-enenitrile
Molecular Weight: 189.21054 [g/mol]
Molecular Formula: C₁₁H₁₁NO₂
XLogP3: 1.6
H-Bond Donor: 0
H-Bond Acceptor: 3
EINECS: 229-240-6
Melting Point: 181-184 °C
Surface Tension: 39.9 dyne/cm
Density: 1.101 g/cm³
Flash Point: 134.3 °C
Enthalpy of Vaporization: 58.27 kJ/mol
Boiling Point: 339.2 °C at 760 mmHg
Vapour Pressure: 9.32E-05 mmHg at 25°C
Product Categories: C₁₀ to C₂₇;Cyanides/Nitriles;Nitrogen Compounds

Safty information about 3,4-Dimethoxycinnamonitrile (CAS NO.6443-72-7) is:
Hazard Codes: Xn
Risk Statements: 20/21/22-36/37/38 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 36-36/37/39-26 
S36:Wear suitable protective clothing. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany: 3
HazardClass: IRRITANT

 3,4-Dimethoxycinnamonitrile , its cas register number is 6443-72-7. It also can be called 2-Propenenitrile,3-(3,4-dimethoxyphenyl)- ; 3-(3,4-Dimethoxyphenyl)acrylonitrile ; 3-(3,4-Dimethoxyphenyl)acrylonitrile .It is a clear yellow liquid.