This chemical is called Chloroquine sulfate, and its systematic name is Quinoline, 7-chloro-4-((4-(diethylamino)-1-methylbutyl)amino)-, sulfate (1:1). With the molecular formula of C₁₈H₂₈ClN₃O₄S, its molecular weight is 417.95. The CAS registry number of this chemical is 132-73-0. Additionally, its classification codes are Drug / Therapeutic Agent; Human Data; Mutation data.

Other characteristics of the chemical can be summarised as followings: (1)ACD/LogP: 3.71; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.05; (4)ACD/LogD (pH 7.4): 0.89; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 3.73; (9)#H bond acceptors: 3; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 8; (12)Polar Surface Area: 19.37 Å²; (13)Flash Point: 232.3 °C; (14)Enthalpy of Vaporization: 72.13 kJ/mol; (15)Boiling Point: 460.6 °C at 760 mmHg; (16)Vapour Pressure: 1.15E-08 mmHg at 25°C.  

You can still convert the following datas into molecular structure: 
1.SMILES: O=S(=O)(O)O.Clc1cc2nccc(c2cc1)NC(C)CCCN(CC)CC
2.InChI: InChI=1/C18H26ClN3.H2O4S/c1-4-22(5-2)12-6-7-14(3)21-17-10-11-20-18-13-15(19)8-9-16(17)18;1-5(2,3)4/h8-11,13-14H,4-7,12H2,1-3H3,(H,20,21);(H2,1,2,3,4)
3.InChIKey: OJPWHUOVKVKBQB-UHFFFAOYAM

The toxicity data is as follows: