The Armodafinil, with the CAS registry number 112111-43-0, is also known as (-)-2-((R)-(Diphenylmethyl)sulfinyl)acetamide. It belongs to the product categories of Chiral Reagents; Intermediates & Fine Chemicals; Neurochemicals; Pharmaceuticals. This chemical's molecular formula is C₁₅H₁₅NO₂S and molecular weight is 273.354. Its systematic name is called 2-[(diphenylmethyl)sulfinyl]acetamide. This chemical's classification codes are Central Nervous System Stimulants; Neuroprotective Agents; Wakefulness Promoting Agent. 

Physical properties of Armodafinil: (1)ACD/LogP: 1.17; (2)ACD/LogD (pH 5.5): 1.17; (3)ACD/LogD (pH 7.4): 1.17; (4)ACD/BCF (pH 5.5): 4.55; (5)ACD/BCF (pH 7.4): 4.55; (6)ACD/KOC (pH 5.5): 102.89; (7)ACD/KOC (pH 7.4): 102.89; (8)#H bond acceptors: 3; (9)#H bond donors: 2; (10)#Freely Rotating Bonds: 5; (11)Index of Refraction: 1.645; (12)Molar Refractivity: 77.26 cm³; (13)Molar Volume: 212.8 cm³; (14)Surface Tension: 63.7 dyne/cm; (15)Density: 1.283 g/cm³; (16)Flash Point: 292 °C; (17)Enthalpy of Vaporization: 84.14 kJ/mol; (18)Boiling Point: 559.1 °C at 760 mmHg; (19)Vapour Pressure: 1.56E-12 mmHg at 25°C.

Armodafinil is approved by the FDA for the treatment of narcolepsy and shift work sleep disorder, and as an adjunctive treatment for obstructive sleep apnea. Armodafinil's common side effects include headache, nausea, insomnia, lack of appetite and dizziness.

You can still convert the following datas into molecular structure:
(1)SMILES: O=S(C(c1ccccc1)c2ccccc2)CC(=O)N
(2)InChI: InChI=1/C15H15NO2S/c16-14(17)11-19(18)15(12-7-3-1-4-8-12)13-9-5-2-6-10-13/h1-10,15H,11H2,(H2,16,17)
(3)InChIKey: YFGHCGITMMYXAQ-UHFFFAOYAB