Molecular structure of 5-(p-(Bis(2-chloroethyl)amino)phenyl)valeric acid (CAS NO.64508-90-3) is:

Product Name: 5-(p-(Bis(2-chloroethyl)amino)phenyl)valeric acid
CAS Registry Number: 64508-90-3
IUPAC Name: 5-[4-[bis(2-chloroethyl)amino]phenyl]pentanoic acid
Molecular Weight: 318.23874 [g/mol]
Molecular Formula: C₁₅H₂₁Cl₂NO₂
XLogP3: 2.2
H-Bond Donor: 1
H-Bond Acceptor: 3
Surface Tension: 47.6 dyne/cm
Density: 1.223 g/cm³
Flash Point: 250.4 °C
Enthalpy of Vaporization: 79.72 kJ/mol
Boiling Point: 490.4 °C at 760 mmHg
Vapour Pressure: 1.96E-10 mmHg at 25°C 
Classification Code: Mutation data

EPA Genetic Toxicology Program.

Poison by intraperitoneal route. Mutation data reported. When heated to decomposition it emits toxic fumes of Cl⁻ and NO_x.

 5-(p-(Bis(2-chloroethyl)amino)phenyl)valeric acid , its cas register number is 64508-90-3. It also can be called 4-(Bis(2-chloroethyl)amino)benzenepentanoic acid ; 4-14-00-01738 (Beilstein Handbook Reference) ; 5-(4-Bis(2-chloroethyl)aminophenyl)pentanoic acid ; BRN 3375210 ; CB 1356 ; p-N,N-Di-(2-chloroethyl)aminophenylvaleric acid ; Benzenepentanoic acid, 4-(bis(2-chloroethyl)amino)- (9CI) ; Valeric acid, 5-(p-(bis(2-chloroethyl)amino)phenyl)- .