Molecular Formula: C₆H₄BrNO
Molecular Weight: 186.0061 g/mol 
Index of Refraction: 1.619
Density: 1.683 g/cm³
Flash Point: 125.6 °C
Melting point: 104-110 °C(lit.)
Appearance: Light yellow cryst
Enthalpy of Vaporization: 52.31 kJ/mol
Boiling Point: 284.1 °C at 760 mmHg
Vapour Pressure: 0.00303 mmHg at 25 °C
Structure of 2-Bromopyridine-5-carbaldehyde (CAS NO.149806-06-4):
                     
IUPAC Name: 6-Bromopyridine-3-carbaldehyde
Product Category of 2-Bromopyridine-5-carbaldehyde (CAS NO.149806-06-4): Pyridine;Carbonyl Compounds;Aldehydes;Pyridines;Nucleotides and Nucleosides;Bases & Related Reagents;Heterocyclic Building Blocks

 2-Bromopyridine-5-carbaldehyde (CAS NO.149806-06-4) is a useful synthetic intermediate.

Hazard Codes: Xi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.

 2-Bromopyridine-5-carbaldehyde , its cas register number is 149806-06-4. It also can be called 6-Bromopyridine-3-carboxaldehyde ; 6-Bromonicotinaldehyde ; and 6-bromopyridine-3-carbaldehyde .