The Hexadecyltrimethylammonium methyl sulphate, with the CAS registry number 65060-02-8, is also known as N,N,N-Trimethyl-1-hexadecanaminium methyl sulfate. Its EINECS number is 265-352-1. This chemical's molecular formula is C₂₀H₄₅NO₄S and molecular weight is 395.6406. Its IUPAC name is called hexadecyl(trimethyl)azanium; methyl sulfate. 

Physical properties of Hexadecyltrimethylammonium methyl sulphate: (1)ACD/LogP: 2.40; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.4; (4)ACD/LogD (pH 7.4): 2.4; (5)ACD/BCF (pH 5.5): 39.19; (6)ACD/BCF (pH 7.4): 39.19; (7)ACD/KOC (pH 5.5): 480.86; (8)ACD/KOC (pH 7.4): 480.86; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 15.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: CCCCCCCCCCCCCCCC[N+](C)(C)C.COS(=O)(=O)[O-]
(2)InChI: InChI=1S/C19H42N.CH4O4S/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(2,3)4;1-5-6(2,3)4/h5-19H2,1-4H3;1H3,(H,2,3,4)/q+1;/p-1
(3)InChIKey: OEWKLERKHURFTB-UHFFFAOYSA-M