Molecular structure of 2,3-Dibromofuran-5-carboxylic acid (CAS NO.2434-03-9) is:

Product Name: 2,3-Dibromofuran-5-carboxylic acid
CAS Registry Number: 2434-03-9
Systematic Name: 4,5-Dibromofuran-2-carboxylic acid
Molecular Formula: C₅H₂Br₂O₃
Molecular Weight: 269.88
Melting Point: 169-173 °C
Index of Refraction: 1.614 
Molar Refractivity: 40.86 cm³ 
Molar Volume: 117.1 cm³
Surface Tension: 58.8 dyne/cm 
Density: 2.304 g/cm³ 
Flash Point: 152.6 °C 
Enthalpy of Vaporization: 60.28 kJ/mol 
Boiling Point: 328.7 °C at 760 mmHg 
Vapour Pressure: 7.53E-05 mmHg at 25 °C 
Product Categories: Heterocycles
SMILES: O=C(O)c1oc(Br)c(Br)c1 
InChI: InChI=1/C5H2Br2O3/c6-2-1-3(5(8)9)10-4(2)7/h1H,(H,8,9)
InChIKey: BHUVICYZDBUMIU-UHFFFAOYAP 
Std. InChI: InChI=1S/C5H2Br2O3/c6-2-1-3(5(8)9)10-4(2)7/h1H,(H,8,9)
Std. InChIKey: BHUVICYZDBUMIU-UHFFFAOYSA-N 

Safty information about 2,3-Dibromofuran-5-carboxylic acid (CAS NO.2434-03-9) is:
Hazard Codes: Xn
Risk Statements: 22-36/37/38 
R22:Harmful if swallowed. 
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.
WGK Germany: 3

 2,3-Dibromofuran-5-carboxylic acid , its cas register number is 2434-03-9. It also can be called 4,5-Dibromo-2-furoic acid ; 2-Furancarboxylicacid, 4,5-dibromo- .