The L-Proline, 1-ethyl-,ethyl ester, with the CAS registry number 938-54-5, has the systematic name of ethyl (2S)-1-ethylpyrrolidine-2-carboxylate. It belongs to the following product categories: Amino Acid Ethyl Esters; Amino Acids; Amino Acids (C-Protected); Biochemistry; Chiral Building Blocks; Esters (Chiral); Synthetic Organic Chemistry. And the molecular formula of the chemical is C₉H₁₇NO₂.

The characteristics of L-Proline, 1-ethyl-,ethyl ester are as followings: (1)ACD/LogP: 0.03; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1; (4)ACD/LogD (pH 7.4): 0; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 7; (9)#H bond acceptors: 3; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 29.54 Ų; (13)Index of Refraction: 1.46; (14)Molar Refractivity: 46.923 cm³; (15)Molar Volume: 171.47 cm³; (16)Polarizability: 18.602×10^-24cm³; (17)Surface Tension: 32.911 dyne/cm; (18)Density: 0.999 g/cm³; (19)Flash Point: 73.033 °C; (20)Enthalpy of Vaporization: 44.564 kJ/mol; (21)Boiling Point: 209.367 °C at 760 mmHg; (22)Vapour Pressure: 0.204 mmHg at 25°C.

You should be cautious while dealing with this chemical. It irritates to eyes, respiratory system and skin. Therefore, you had better wear suitable protective clothing, gloves and eye/face protection.

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: CCN1CCCC1C(=O)OCC
(2)InChI: InChI=1/C9H17NO2/c1-3-10-7-5-6-8(10)9(11)12-4-2/h8H,3-7H2,1-2H3/t8-/m0/s1
(3)InChIKey: CUDOPASYFARLIF-QMMMGPOBBK