L-alpha-amino acid valine ((13)C5,(15)N)-valine 117.079 117.147 An L-alpha-amino acid that is L-valine in which all five carbons are (13)C isotopes while the nitrogen is the (15)N isotope. C5H11NO2 CHEBI:87977 InChI=1S/C5H11NO2/c1-3(2)4(6)5(7)8/h3-4H,6H2,1-2H3,(H,7,8)/t4-/m0/s1/i1+1,2+1,3+1,4+1,5+1,6+1 KZSNJWFQEVHDMF-XAFSXMPTSA-N L-((13)C5,(15)N)valine O=[13C](O)[13C@@H]([15NH2])[13CH]([13CH3])[13CH3] Reaxys:8056344 chebi_ontology