This chemical is called L-(1-¹³C,¹⁵N)leucine, and its CAS registry number is 80134-83-4. With the molecular formula of C₅¹³CH₁₃¹⁵NO₂, its product categories are Alphabetical Listings; Biomolecular NMR; I-L; Amino Acids; Metabolic Research; Stable Isotopes. In addition, this chemical should be sealed in the cool and dry place, away from oxides.

Other characteristics of the L-(1-¹³C,¹⁵N)leucine can be summarised as followings: (1)#H bond acceptors: 0; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Index of Refraction: 1.462; (5)Molar Refractivity: 34.86 cm³; (6)Molar Volume: 126.6 cm³; (7)Polarizability: 13.82×10^-24cm³; (8)Surface Tension: 39 dyne/cm; (9)Density: 1.035 g/cm³.

You can still convert the following datas into molecular structure: 
1.SMILES: CC(C)CC(C(=O)O)N
2.InChI: InChI=1/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t5-/m0/s1/i6+1,7+1
3.InChIKey: ROHFNLRQFUQHCH-XAAHKOKXFC