Record Information
Version1.0
Creation date2015-10-09 22:27:25 UTC
Update date2017-01-19 02:36:10 UTC
FoodComEx IDPC000022
FoodDB RecordFDB001946
Chemical Information
NameL-Leucine
DescriptionFlavouring ingredient; dietary supplement, nutrient. L-Leucine is found in many foods, some of which are lettuce, common bean, pacific herring, and kefir.
CAS Number61-90-5
Structure
Thumb
Synonyms
SynonymSource
(2S)-2-Amino-4-methylpentanoatebiospider
(2S)-2-amino-4-Methylpentanoic acidChEBI
(2S)-a-2-amino-4-MethylvalerateGenerator
(2S)-a-2-amino-4-Methylvaleric acidGenerator
(2S)-a-LeucineGenerator
(2S)-alpha-2-amino-4-MethylvalerateGenerator
(2S)-alpha-2-amino-4-Methylvaleric acidChEBI
(2S)-alpha-LeucineChEBI
(2S)-α-2-amino-4-methylvalerateGenerator
(2S)-α-2-amino-4-methylvaleric acidGenerator
(2S)-α-leucineGenerator
(S)-(+)-LeucineChEBI
(S)-2-Amino-4-methyl-pentanoic acidbiospider
(S)-2-Amino-4-methylpentanoatebiospider
(S)-2-amino-4-Methylpentanoic acidHMDB
(S)-2-Amino-4-methylvaleratebiospider
(S)-2-amino-4-Methylvaleric acidHMDB
(S)-LeucineChEBI
α-amino-α-aminoisocaproic acidbiospider
α-amino-«gamma»-methylvaleric acidbiospider
α-aminoisocaproic acidbiospider
2-Amino-4-methyl-valeric acidbiospider
2-amino-4-MethylvalerateGenerator
2-amino-4-Methylvaleric acidChEBI
4-methyl-L-Norvalinebiospider
FEMA 3297db_source
LChEBI
L-(+)-LeucineHMDB
L-2-Amino-4-methylpentanoic acidbiospider
L-2-Amino-4-methylvaleric acidbiospider
L-a-aminoisocaproatebiospider
L-a-Aminoisocaproic acidHMDB
L-alpha-aminoisocaproatebiospider
L-alpha-aminoisocaproic acidbiospider
L-LeucinChEBI
L-leucinebiospider
L-LeuzinChEBI
L-Norvaline, 4-methyl-biospider
LeuChEBI
LEUCINEChEBI
Leucine, 9CI, USAN; L-formdb_source
S-2-Amino-4-methylpentanoic acidbiospider
Chemical FormulaC6H13NO2
IUPAC name2-amino-4-methylpentanoic acid
InChI IdentifierInChI=1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)
InChI KeyROHFNLRQFUQHCH-UHFFFAOYSA-N
Isomeric SMILESCC(C)CC(N)C(O)=O
Average Molecular Weight131.1729
Monoisotopic Molecular Weight131.094628665
Chemical Taxonomy
DescriptionThis compound belongs to the class of organic compounds known as leucine and derivatives. These are compounds containing leucine or a derivative thereof resulting from reaction of leucine at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentLeucine and derivatives
Alternative Parents
Substituents
  • Leucine or derivatives
  • Alpha-amino acid
  • Branched fatty acid
  • Methyl-branched fatty acid
  • Fatty acid
  • Fatty acyl
  • Amino acid
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Organopnictogen compound
  • Primary amine
  • Organooxygen compound
  • Organonitrogen compound
  • Organic nitrogen compound
  • Primary aliphatic amine
  • Carbonyl group
  • Organic oxygen compound
  • Amine
  • Organic oxide
  • Hydrocarbon derivative
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Physico-Chemical Properties - Experimental
PropertyValueReference
Experimental logP-1.52HANSCH,C ET AL. (1995)
Experimental Water SolubilityNot Available
Melting PointMp 337 (293-295°)° dec.DFC
Foods of Origin
FoodContent Range AverageReference
FoodReference
Production Data
Production Methodcommercial
Production Method ReferenceNot Available
Production Method Reference FileNot Available
Quantity AvailableProduction upon request, up to 4 g
Delivery TimeNot Available
Storage Formsolid
Storage Conditions-80°C
StabilityNot Available
PurityNot Available
Spectra
Spectral Data Upon RequestNot Available
Provider Information
Contact NameContact InstitutionContact Email
Rosa Vazquez Fresnovazquezf@ualberta.ca
Commercial Vendors
AKSci G140
Fluka HMDB0000687
Glentham GM6205
Glentham GM0001
MetaSci HMDB0000687
Toronto Research Chemicals L330110