Molecular structure of 3-Fluoro-4-methoxybenzaldehyde (CAS NO.351-54-2) is:

Product Name: 3-Fluoro-4-methoxybenzaldehyde
CAS Registry Number: 351-54-2
IUPAC Name: 3-fluoro-4-methoxybenzaldehyde
Molecular Weight: 154.138383 [g/mol]
Molecular Formula: C₈H₇FO₂
XLogP3: 1.4
H-Bond Donor: 0
H-Bond Acceptor: 3
EINECS: 206-514-3
Melting Point: 34-35 °C(lit.)
Sensitive: Air Sensitive 
Surface Tension: 35.7 dyne/cm
Density: 1.192 g/cm³
Flash Point: 100.3 °C
Enthalpy of Vaporization: 48.43 kJ/mol
Boiling Point: 247.1 °C at 760 mmHg
Vapour Pressure: 0.0261 mmHg at 25°C
Product Categories: FINE Chemical & INTERMEDIATES;Aromatic Aldehydes & Derivatives (substituted);Benzaldehyde;Miscellaneous;Adehydes, Acetals & Ketones;Anisoles, Alkyloxy Compounds & Phenylacetates;Fluorine Compounds

Safty information about 3-Fluoro-4-methoxybenzaldehyde (CAS NO.351-54-2) is:
Hazard Codes: Xn,Xi
Risk Statements: 36/37/38-22 
R36/37/38:Irritating to eyes, respiratory system and skin. 
R22:Harmful if swallowed.
Safety Statements: 37/39-26-36
 S37/39:Wear suitable gloves and eye/face protection. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
WGK Germany: 3
Hazard Note: Irritant
HazardClass: IRRITANT, AIR SENSITIVE

 3-Fluoro-4-methoxybenzaldehyde , its cas register number is 351-54-2. It also can be called 3-Fluoro-p-anisaldehyde .It is a white to light yellow low melting crystalline mass.