Leucine (data page)

The complete data for Leucine
	General information Chemical formula: C6H13NO2 Molar mass: 131.18 g·mol^−1 Systematic name: (S)-2-amino-4-methyl-pentanoic acid Abbreviations: L, Leu Synonyms: {(S)-/L-}2-amino-4-methylvaleric acid 4-methyl-norvaline α-aminoisocaproic acid
Database data
SMILES: CC(C)C[C@@H](C(=O)O)N ^a InChI=1/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t5-/m0/s1/f/h8H ^b ATC: N/A CAS: [61-90-5] DrugBank: N/A EINECS: 200-522-0 PubChem: 6106
Physical properties
Structure Crystal data Spectral data UV-Vis IR NMR MS Phase behavior Solid properties ρsolid: 1.165 g.cm^−3 Tm: 293 °C Liquid properties Gas properties
Hazard properties
MSDS N/A Main hazards: - N/A NFPA 704 Flash point - N/A R/S statement R: N/A S: N/A RTECS number: N/A
Chemical properties
XLogP: -1.743 ^c pI: 5.98 ^d pKa: 2.32; 9.58 ^e Tautomers: Hydrogen bond: donor - 2;  acceptor - 3
Pharmacological properties
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

References

1. ^a ^b ^c ^d ^e CID 6106 from PubChem