This chemical is called 1,1,2-Trimethyl-3-(4-sulphonatobutyl)-1H-benz[e]indolium inner salt, and it can also be named as 1H-benz[e]indolium, 1,1,2-trimethyl-3-(4-sulfobutyl)-, inner salt. With the molecular formula of C₁₉H₂₃NO₃S, its molecular weight is 345.46. The CAS registry number of this chemical is 63149-24-6, and its product category is Dyes Intermediates.

Other characteristics of the 1,1,2-Trimethyl-3-(4-sulphonatobutyl)-1H-benz[e]indolium inner salt can be summarised as followings: (1)#H bond acceptors: 4; (2)#H bond donors: 1; (3)#Freely Rotating Bonds: 5; (4)Polar Surface Area: 65.76 Å²; (5)XLogP3-AA: 2.9; (6)Rotatable Bond Count: 4; (7)Exact Mass: 345.139864; (8)MonoIsotopic Mass: 345.139864; (9)Topological Polar Surface: Area 68.6; (10)Heavy Atom Count: 24; (11)Formal Charge; 0; (12)Complexity: 589; (13)Isotope Atom Count: 0; (14)Defined Atom StereoCenter Count: 0; (15)Undefined Atom StereoCenter Count: 0; (16)Defined Bond StereoCenter Count: 0; (17)Undefined Bond StereoCenter Count: 0; (18)Covalently-Bonded Unit Count: 1; (19)Feature 3D Acceptor Count: 3; (20)Feature 3D Anion Count: 1; (21)Feature 3D Hydrophobe Count: 1; (22)Feature 3D Ring Count: 3.

You can still convert the following datas into molecular structure: 
1.SMILES: [O-]S(=O)(=O)CCCC[N+]=3c2ccc1ccccc1c2C(C=3C)(C)C
2.InChI: InChI=1/C19H23NO3S/c1-14-19(2,3)18-16-9-5-4-8-15(16)10-11-17(18)20(14)12-6-7-13-24(21,22)23/h4-5,8-11H,6-7,12-13H2,1-3H3
3.InChIKey: GJCURKVOCXJAIV-UHFFFAOYAT