This chemical is called R-alpha-Lipoic acid tromethamine salt, and its systematic name is 5-(1,2-dithiolan-3-yl)pentanoic acid - 2-amino-2-(hydroxymethyl)propane-1,3-diol (1:1). With the molecular formula of C₈H₁₄O₂S₂^.C₄H₁₁NO₃; C₁₂H₂₅NO₅S₂, its molecular weight is 327.46. The CAS registry number of this chemical is 14358-90-8.

Other characteristics of the R-alpha-Lipoic acid tromethamine salt can be summarised as followings: (1)ACD/LogP: 2.16; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.34; (4)ACD/LogD (pH 7.4): -0.46; (5)ACD/BCF (pH 5.5): 3.87; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 53.5; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 5; (12)Polar Surface Area: 76.9 Å²; (13)Flash Point: 173 °C; (14)Enthalpy of Vaporization: 66.83 kJ/mol; (15)Boiling Point: 362.5 °C at 760 mmHg; (16)Vapour Pressure: 3.07E-06 mmHg at 25°C.

You can still convert the following datas into molecular structure: 
1.SMILES: O=C(O)CCCCC1SSCC1.OCC(N)(CO)CO
2.InChI: InChI=1/C8H14O2S2.C4H11NO3/c9-8(10)4-2-1-3-7-5-6-11-12-7;5-4(1-6,2-7)3-8/h7H,1-6H2,(H,9,10);6-8H,1-3,5H2
3.InChIKey: CCTREOMTIFSZAU-UHFFFAOYAY
4.Std. InChI: InChI=1S/C8H14O2S2.C4H11NO3/c9-8(10)4-2-1-3-7-5-6-11-12-7;5-4(1-6,2-7)3-8/h7H,1-6H2,(H,9,10);6-8H,1-3,5H2
5.Std. InChIKey: CCTREOMTIFSZAU-UHFFFAOYSA-N