Molecular structure of Quinclorac (CAS NO.84087-01-4) is:

Product Name: Quinclorac
CAS Registry Number: 84087-01-4
IUPAC Name: 3,7-dichloroquinoline-8-carboxylic acid
Molecular Weight: 242.0582 [g/mol]
Molecular Formula: C₁₀H₅Cl₂NO₂
XLogP3-AA: 3
H-Bond Donor: 1
H-Bond Acceptor: 3 
EINECS: 402-780-1
Storage temp.: 0-6°C
Surface Tension: 67.4 dyne/cm
Density: 1.579 g/cm³
Flash Point: 199 °C
Enthalpy of Vaporization: 69.28 kJ/mol
Boiling Point: 405.4 °C at 760 mmHg
Vapour Pressure: 2.67E-07 mmHg at 25°C 
Product Categories: Herbicide

 Quinclorac is a selective herbicide used primarily to control weeds in rice crops, but is also used on other agricultural crops and is found in some household herbicides for lawn use. Most lawn maintenance companies use the product for the control of annual grass weeds like crabgrass.
Quinclorac is considered a synthetic auxin.

Safty information about Quinclorac (CAS NO.84087-01-4) is:
Moderately toxic by ingestion and skin contact routes. Low toxicity by inhalation route. When heated to decomposition it emits toxic vapors of NO_x and Cl⁻.
Hazard Codes: Xi
Risk Statements: 43 
R43:May cause sensitization by skin contact.
Safety Statements: 2-24-37 
S2:Keep out of the reach of children. 
S24:Avoid contact with skin. 
S37:Wear suitable gloves.
RTECS: VB1984000

 Quinclorac , its cas register number is 84087-01-4. It also can be called 3,7-Dichloro-8-quinolinecarboxylic acid ; Quinclorac [ISO] ; 3,7-Dichloroquinoline-8-carboxylic acid ; BAS 514 00H ; EPA Pesticide Chemical Code 128974 ; Facet ; Quinclorac tech ; 8-Quinolinecarboxylic acid, 3,7-dichloro- .It is a synthetic auxin.