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Record Information
Version1.0
Creation Date2016-09-30 22:19:09 UTC
Update Date2020-06-04 21:20:41 UTC
MCDB ID BMDB0000062
Secondary Accession Numbers
  • BMDB00062
Metabolite Identification
Common NameL-Carnitine
DescriptionL-Carnitine, also known as carnitine d-form, belongs to the class of organic compounds known as carnitines. These are organic compounds containing the quaternary ammonium compound carnitine. L-Carnitine is possibly soluble (in water) and an extremely weak basic (essentially neutral) compound (based on its pKa). L-Carnitine participates in a number of enzymatic reactions, within cattle. In particular, Propionyl-CoA and L-carnitine can be converted into propionylcarnitine through its interaction with the enzyme carnitine O-acetyltransferase. In addition, Acetyl-CoA and L-carnitine can be converted into L-acetylcarnitine through its interaction with the enzyme carnitine O-acetyltransferase. In cattle, L-carnitine is involved in the metabolic pathway called the oxidation OF branched-chain fatty acids pathway.
Structure
Thumb
Synonyms
ValueSource
(-)-CarnitineChEBI
(-)-L-CarnitineChEBI
3-Carboxy-2-hydroxy-N,N,N-trimethyl-1-propanaminium hydroxide, inner saltChEBI
CarnicorChEBI
CarniteneChEBI
CarnitineChEBI
CarnitorChEBI
KarnitinChEBI
LevocarnitineChEBI
Vitamin BTChEBI
L-gamma-Trimethyl-beta-hydroxybutyrobetaineKegg
(R)-CarnitineKegg
L-g-Trimethyl-b-hydroxybutyrobetaineGenerator
L-Γ-trimethyl-β-hydroxybutyrobetaineGenerator
(-)-(R)-3-Hydroxy-4-(trimethylammonio)butyrateHMDB
(R)-(3-Carboxy-2-hydroxypropyl)trimethylammonium hydroxideHMDB
(S)-CarnitineHMDB
1-CarnitineHMDB
3-Carboxy-2-hydroxy-N,N,N-trimethyl-1-propanaminiumHMDB
3-Hydroxy-4-trimethylammoniobutanoateHMDB
3-Hydroxy-4-trimethylammoniobutanoic acidHMDB
BicarnesineHMDB
CarnikingHMDB
Carniking 50HMDB
CarnileanHMDB
CarnipassHMDB
Carnipass 20HMDB
D-CarnitineHMDB
delta-CarnitineHMDB
DL-CarnitineHMDB
gamma-Trimethyl-ammonium-beta-hydroxybutirateHMDB
gamma-Trimethyl-beta-hydroxybutyrobetaineHMDB
gamma-Trimethyl-hydroxybutyrobetaineHMDB
L-(-)-CarnitineHMDB
LevocarnitinaHMDB
LevocarnitinumHMDB
R-(-)-3-Hydroxy-4-trimethylaminobutyrateHMDB
L CarnitineHMDB
L-CarnitineChEBI
Chemical FormulaC7H15NO3
Average Molecular Weight161.1989
Monoisotopic Molecular Weight161.105193351
IUPAC Name(3R)-3-hydroxy-4-(trimethylazaniumyl)butanoate
Traditional NameL-carnitine
CAS Registry Number541-14-0
SMILES
C[N+](C)(C)C[C@H](O)CC([O-])=O
InChI Identifier
InChI=1S/C7H15NO3/c1-8(2,3)5-6(9)4-7(10)11/h6,9H,4-5H2,1-3H3/t6-/m1/s1
InChI KeyPHIQHXFUZVPYII-ZCFIWIBFSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as carnitines. These are organic compounds containing the quaternary ammonium compound carnitine.
KingdomOrganic compounds
Super ClassOrganic nitrogen compounds
ClassOrganonitrogen compounds
Sub ClassQuaternary ammonium salts
Direct ParentCarnitines
Alternative Parents
Substituents
  • Carnitine
  • Beta-hydroxy acid
  • Short-chain hydroxy acid
  • Fatty acid
  • Hydroxy acid
  • Tetraalkylammonium salt
  • 1,2-aminoalcohol
  • Carboxylic acid salt
  • Secondary alcohol
  • Carboxylic acid derivative
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Organic oxygen compound
  • Organooxygen compound
  • Organic zwitterion
  • Organic salt
  • Hydrocarbon derivative
  • Organic oxide
  • Carbonyl group
  • Organopnictogen compound
  • Amine
  • Alcohol
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Physical Properties
StateSolid
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP-2.9ALOGPS
logP-4.9ChemAxon
logS-1.6ALOGPS
pKa (Strongest Acidic)4.2ChemAxon
pKa (Strongest Basic)-3.6ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area60.36 ŲChemAxon
Rotatable Bond Count4ChemAxon
Refractivity63.49 m³·mol⁻¹ChemAxon
Polarizability16.93 ųChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectrum TypeDescriptionSplash KeyView
Concentrations
StatusValueReferenceDetails
Detected but not QuantifiedNot Applicable
  • Kurt J. Boudonck,...
details
Detected but not QuantifiedNot Applicable details
Detected but not QuantifiedNot Applicable details
Detected and Quantified346 uM details
Detected but not QuantifiedNot Applicable
  • Kurt J. Boudonck,...
details
Detected and Quantified61 +/- 6 uM details
Detected and Quantified68 +/- 2 uM details
Detected and Quantified68 +/- 5 uM details
Detected and Quantified62 +/- 3 uM details
Detected and Quantified72.7 +/- 0.3 uM details
Detected and Quantified77 +/- 1 uM details
Detected and Quantified79 +/- 2 uM details
Detected and Quantified67 +/- 1 uM details
Detected and Quantified81 +/- 21 uM details
Detected and Quantified86 +/- 17 uM details
Detected and Quantified76 +/- 18 uM details
Detected but not QuantifiedNot Applicable details
HMDB IDHMDB0000062
DrugBank IDDB00583
Phenol Explorer Compound IDNot Available
FoodDB IDFDB000571
KNApSAcK IDNot Available
Chemspider ID2006614
KEGG Compound IDC00318
BioCyc IDCARNITINE
BiGG ID34600
Wikipedia LinkCarnitine
METLIN ID52
PubChem Compound10917
PDB IDNot Available
ChEBI ID16347
References
Synthesis Reference Bols, Mikael; Lundt, Inge; Pedersen, Christian. Simple synthesis of (R)-carnitine from D-galactono-1,4-lactone. Tetrahedron (1992), 48(2), 319-24.
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Klein MS, Almstetter MF, Schlamberger G, Nurnberger N, Dettmer K, Oefner PJ, Meyer HH, Wiedemann S, Gronwald W: Nuclear magnetic resonance and mass spectrometry-based milk metabolomics in dairy cows during early and late lactation. J Dairy Sci. 2010 Apr;93(4):1539-50. doi: 10.3168/jds.2009-2563. [PubMed:20338431 ]
  2. Sundekilde UK, Gustavsson F, Poulsen NA, Glantz M, Paulsson M, Larsen LB, Bertram HC: Association between the bovine milk metabolome and rennet-induced coagulation properties of milk. J Dairy Sci. 2014 Oct;97(10):6076-84. doi: 10.3168/jds.2014-8304. Epub 2014 Jul 30. [PubMed:25087032 ]
  3. Buitenhuis AJ, Sundekilde UK, Poulsen NA, Bertram HC, Larsen LB, Sorensen P: Estimation of genetic parameters and detection of quantitative trait loci for metabolites in Danish Holstein milk. J Dairy Sci. 2013 May;96(5):3285-95. doi: 10.3168/jds.2012-5914. Epub 2013 Mar 15. [PubMed:23497994 ]
  4. Lu J, Antunes Fernandes E, Paez Cano AE, Vinitwatanakhun J, Boeren S, van Hooijdonk T, van Knegsel A, Vervoort J, Hettinga KA: Changes in milk proteome and metabolome associated with dry period length, energy balance, and lactation stage in postparturient dairy cows. J Proteome Res. 2013 Jul 5;12(7):3288-96. doi: 10.1021/pr4001306. Epub 2013 Jun 5. [PubMed:23738862 ]
  5. O'Callaghan TF, Vazquez-Fresno R, Serra-Cayuela A, Dong E, Mandal R, Hennessy D, McAuliffe S, Dillon P, Wishart DS, Stanton C, Ross RP: Pasture Feeding Changes the Bovine Rumen and Milk Metabolome. Metabolites. 2018 Apr 6;8(2). pii: metabo8020027. doi: 10.3390/metabo8020027. [PubMed:29642378 ]
  6. Kurt J. Boudonck, Matthew W. Mitchell, Jacob Wulff and John A. Ryals (2009). Kurt J. Boudonck, Matthew W. Mitchell, Jacob Wulff and John A. Ryals. Characterization of the biochemical variability of bovine milk using metabolomics. Metabolomics (2009) 5:375?386. Metabolomics.
  7. A. Foroutan et al. (2019). A. Foroutan et al. The Chemical Composition of Commercial Cow's Milk (in preparation). Journal of Agricultural and Food Chemistry.