The 4-Pentynoic acid,2-amino-2-methyl-, (2R)-, with the CAS registry number 403519-98-2, has the systematic name (2R)-2-amino-2-methyl-pent-4-ynoic acid. Its molecular formula is C₆H₉NO₂ and its molecular weight is 127.1412. However, this chemical is which should be kept cool and dry.

Other characteristics of the 4-Pentynoic acid,2-amino-2-methyl-, (2R)- can be summarised as followings: (1)ACD/LogP: 0.20; (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: 3; (8)#H bond donors: 3; (9)#Freely Rotating Bonds: 3; (10)Polar Surface Area: 63.32 Å²; (11)Index of Refraction: 1.509; (12)Molar Refractivity: 32.739 cm³; (13)Molar Volume: 109.692 cm³; (14)Polarizability: 12.979×10^-24cm³; (15)Surface Tension: 52.865 dyne/cm; (16)Density: 1.159 g/cm³; (17)Flash Point: 105.515 °C; (18)Enthalpy of Vaporization: 53.751 kJ/mol; (19)Boiling Point: 250.858 °C at 760 mmHg; (20)Vapour Pressure: 0.007 mmHg at 25°C.

You can still convert the following datas into molecular structure: 
1.SMILES: C[C@@](CC#C)(C(=O)O)N
2.InChI: InChI=1/C6H9NO2/c1-3-4-6(2,7)5(8)9/h1H,4,7H2,2H3,(H,8,9)/t6-/m1/s1
3.InChIKey: FSBNDYYRTZBHAN-ZCFIWIBFBW