Synonyms: N-(9-Fluorenylmethoxycarbonyl)-L-valine-13C5,15N; L-Valine-13C5,15N, N-Fmoc derivative Molecular Formula: 13C5C15H2115NO4 Molecular Weight: 345.34 Linear Structural Formula: (13CH3)213CH13CH(15NH-Fmoc)13CO2H MDL Number: MFCD08702929 Purity: 99% (CP) Melting Point: 143-145 C (lit.)