Leucine (data page)

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The complete data for Leucine
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Chemical structure of LeucineChemical structure of Leucine
General information
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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
Flammability (red): no hazard code Health (blue): no hazard code Reactivity (yellow): no hazard code Special hazards (white): no codeNFPA 704 four-colored diamond
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)


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