This chemical is called Butanoic acid, 2-amino-4-(methylsulfonyl)-, (2S)-, and its CAS registry number is 7314-32-1. With the molecular formula of C₅H₁₁NO₄S, its molecular weight is 181.21. In addition, this chemical should be sealed in the cool and dry place, with the temperature 2-8 °C.

Other characteristics of the Butanoic acid, 2-amino-4-(methylsulfonyl)-, (2S)- can be summarised as followings: (1)ACD/LogP: -1.27; (2)# of Rule of 5 Violations: 0; (3)ACD/BCF (pH 5.5): 1; (4)ACD/BCF (pH 7.4): 1; (5)ACD/KOC (pH 5.5): 1; (6)ACD/KOC (pH 7.4): 1; (7)#H bond acceptors: 5; (8)#H bond donors: 3; (9)#Freely Rotating Bonds: 5; (10)Polar Surface Area: 72.06 Å²; (11)Index of Refraction: 1.512; (12)Molar Refractivity: 39.26 cm³; (13)Molar Volume: 130.7 cm³; (14)Polarizability: 15.56×10^-24cm³; (15)Surface Tension: 59 dyne/cm; (16)Density: 1.385 g/cm³; (17)Flash Point: 226.3 °C; (18)Enthalpy of Vaporization: 77.76 kJ/mol; (19)Boiling Point: 450.5 °C at 760 mmHg; (20)Vapour Pressure: 2.26E-09 mmHg at 25°C.

You can still convert the following datas into molecular structure: 
1.SMILES: O=S(=O)(C)CC[C@@H](C(=O)O)
2.InChI: InChI=1/C5H11NO4S/c1-11(9,10)3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)/t4-/m0/s1
3.InChIKey: UCUNFLYVYCGDHP-BYPYZUCNBN