Leucine (data page)

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The complete data for Leucine
350px File:Hight setter 449px.gifChemical structure of Leucine	General information 400px 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 [1] 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 [1]  ATC: N/A  CAS: [61-90-5]  DrugBank: N/A  EINECS: 200-522-0  PubChem: 6106
Physical properties</span>

Structure

Crystal data

Spectral data UV-Vis IR NMR MS

Phase behavior	Solid properties ρsolid: 1.165 g.cm-3 Tm: 293 °C </td>	Liquid properties </td>	Gas properties </td></tr></table></td></tr>
Hazard properties</td></tr>
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 </td></tr>
Chemical properties</td></tr>
XLogP: -1.743 [1] pI: 5.98 [1] pKa: 2.32; 9.58 [1] Tautomers: ? Hydrogen bond: donor - 2;   acceptor - 3; </td></tr>
Pharmacological properties</td></tr>
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)</td></tr></table> References a  b  c  d  e  PubChem 6106 Major families of biochemicals</td></tr> Peptides | Amino acids | Nucleic acids | Carbohydrates | Nucleotide sugars | Lipids | Terpenes | Carotenoids | Tetrapyrroles | Enzyme cofactors | Steroids | Flavonoids | Alkaloids | Polyketides | Glycosides</td></tr> Analogues of nucleic acids:</td> The 20 Common Amino Acids ("dp" = data page)</td> Analogues of nucleic acids:</td></tr> Alanine (dp) | Arginine (dp) | Asparagine (dp) | Aspartic acid (dp) | Cysteine (dp) | Glutamic acid (dp) | Glutamine (dp) | Glycine (dp) | Histidine (dp) | Isoleucine (dp) | Leucine (dp) | Lysine (dp) | Methionine (dp) | Phenylalanine (dp) | Proline (dp) | Serine (dp) | Threonine (dp) | Tryptophan (dp) | Tyrosine (dp) | Valine (dp) ar:لوسين (صفحة بيانات)