L-Leucine Properties, Molecular Formula, Applications - WorldOfChemicals

L-Leucine Properties


Molecule 3D Structure Image
Molecule Structure Image



Leucine is a branched-chain ?-amino acid. It is an essential amino acid, which means that humans cannot synthesize it. With a hydrocarbon side chain, leucine is classified as a hydrophobic amino acid. It has an isobutyl R group. Leucine is a major component of the sub units in ferritin, astacin and other 'buffer' proteins. It is used as a food additive, and is classified as a flavor enhancer.

Chemical Properties

Appearance White Crystalline Powder
CAS Number 61-90-5
Density 1.293 g/cm3
EINECS Number 200-522-0
HS Code 29224995
IUPAC Name Leucine
InChI 1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t5-/m0/s1
Melting Point >300 °C
Molar Mass 131.17 g mol−1
Molecular Formula C6H13NO2
RTECS Number OH2850000
Solubility 22.4 g/l
Synonyms 2-Amino-4-methylpentanoic acid;.alpha.-Aminoisocaproic acid;2-Amino-4-methylpentanoic acid, (S)-;alpha-Amino-.gamma-methylvaleric acid;L-Norvaline,4-methyl-;L-(-)-2-Amino-4-methylpentanoic acid;L-alpha-Aminoisocaproic acid;Leucine (USP);2-Amino-4-methyl-valeric acid;2-Amino-4-methylvaleric acid;L-Leucine (JP14);2-Amino-4-methylvaleric acid (L);(2S)-alpha-Leucine;Pentanoic acid, 2-amino-4-methyl-, (S)-
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