IUPAC Name: 2,3-Dichlorobenzoyl chloride 
Following is the structure of 2,3-Dichlorobenzoyl Chloride (CAS NO.2905-60-4):
                    
Molecular formula: C₇H₃Cl₃O 
Molecular Weight: 209.46
EINECS: 220-811-5 
Index of Refraction: 1.576
Molar Refractivity: 46.28 cm³
Molar Volume: 139.7 cm³
Density: 1.498 g/cm³
Flash Point: 105.9 °C
Melting point: 30-32°C
Polarizability: 18.34 10^-24cm³
Surface Tension: 45.4 dyne/cm
Enthalpy of Vaporization: 49.48 kJ/mol
Boiling Point: 257.2 °C at 760 mmHg
Vapour Pressure: 0.0147 mmHg at 25 °C
Sensitive of 2,3-Dichlorobenzoyl Chloride (CAS NO.2905-60-4): Moisture Sensitive
Product Categories: ACIDHALIDE; Aromatic Halides (substituted)
Canonical SMILES: C1=CC(=C(C(=C1)Cl)Cl)C(=O)Cl
InChI: InChI=1S/C7H3Cl3O/c8-5-3-1-2-4(6(5)9)7(10)11/h1-3H
InChIKey: YBONBWJSFMTXLE-UHFFFAOYSA-N

 2,3-Dichlorobenzoyl Chloride (CAS NO.2905-60-4) is used as intermediates in organic synthesis.

Hazard Codes: C
Risk Statements: 34 
R34:Causes burns.
Safety Statements: 26-36/37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: 3261
Hazard Note: Corrosive
HazardClass: 8
PackingGroup: II

 2,3-Dichlorobenzoyl Chloride , its cas register number 2905-60-4. It also can be called  2,3-Dichlorobenzoyl chloride ; Benzoyl chloride, 2,3-dichloro- ; and HSDB 5901 .