The Benzeneacetic acid, a-ethyl-, (aR)-, with the CAS registry number 938-79-4, has the systematic name of (2R)-2-phenylbutanoic acid. It is a kind of clear colorless liquid, and belongs to the following product categories: Carboxylic Acids; Chiral Building Blocks; Organic Building Blocks. And the molecular formula of the chemical is C₁₀H₁₂O₂.

The characteristics of Benzeneacetic acid, a-ethyl-, (aR)- are as followings: (1)ACD/LogP: 2.38; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.2; (4)ACD/LogD (pH 7.4):  ; (5)ACD/BCF (pH 5.5): 2.49; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 30.78; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 3; (12)Polar Surface Area: 26.3 Å²; (13)Index of Refraction: 1.531; (14)Molar Refractivity: 46.63 cm³; (15)Molar Volume: 150.6 cm³; (16)Polarizability: 18.48×10^-24cm³; (17)Surface Tension: 42.1 dyne/cm; (18)Density: 1.09 g/cm³; (19)Flash Point: 170.2 °C; (20)Enthalpy of Vaporization: 54.01 kJ/mol; (21)Boiling Point: 272.9 °C at 760 mmHg; (22)Vapour Pressure: 0.00288 mmHg at 25°C.

You should be cautious while dealing with this chemical. It is harmful if swallowed. Therefore, you had better take the following instructions: Wear suitable protective clothing, and you should not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer).

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: O=C(O)[C@@H](c1ccccc1)CC
(2)InChI: InChI=1/C10H12O2/c1-2-9(10(11)12)8-6-4-3-5-7-8/h3-7,9H,2H2,1H3,(H,11,12)/t9-/m1/s1
(3)InChIKey: OFJWFSNDPCAWDK-SECBINFHBB