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Record Information
Version1.0
Creation Date2016-09-30 22:27:25 UTC
Update Date2020-06-04 20:32:44 UTC
MCDB ID BMDB0000251
Secondary Accession Numbers
  • BMDB00251
Metabolite Identification
Common NameTaurine
DescriptionTaurine, also known as taufon or 2-sulfoethylamine, belongs to the class of organic compounds known as organosulfonic acids. Organosulfonic acids are compounds containing the sulfonic acid group, which has the general structure RS(=O)2OH (R is not a hydrogen atom). Taurine exists as a solid, possibly soluble (in water), and a very strong basic compound (based on its pKa) molecule. Taurine exists in all living species, ranging from bacteria to humans. Taurine is a potentially toxic compound. Taurine has been found to be associated with several diseases known as perillyl alcohol administration for cancer treatment, schizophrenia, irritable bowel syndrome, and sulfite oxidase deficiency, isolated; also taurine has been linked to the inborn metabolic disorders including maple syrup urine disease.
Structure
Thumb
Synonyms
ValueSource
2-Aminoethanesulfonic acidChEBI
2-Aminoethyl sulfonateChEBI
Aminoethylsulfonic acidChEBI
beta-Aminoethylsulfonic acidChEBI
2-AminoethanesulfonateGenerator
2-AminoethanesulphonateGenerator
2-Aminoethanesulphonic acidGenerator
2-Aminoethyl sulfonic acidGenerator
2-Aminoethyl sulphonateGenerator
2-Aminoethyl sulphonic acidGenerator
AminoethylsulfonateGenerator
AminoethylsulphonateGenerator
Aminoethylsulphonic acidGenerator
b-AminoethylsulfonateGenerator
b-Aminoethylsulfonic acidGenerator
b-AminoethylsulphonateGenerator
b-Aminoethylsulphonic acidGenerator
beta-AminoethylsulfonateGenerator
beta-AminoethylsulphonateGenerator
beta-Aminoethylsulphonic acidGenerator
Β-aminoethylsulfonateGenerator
Β-aminoethylsulfonic acidGenerator
Β-aminoethylsulphonateGenerator
Β-aminoethylsulphonic acidGenerator
1-Aminoethane-2-sulfonateHMDB
1-Aminoethane-2-sulfonic acidHMDB
2-AminoethylsulfonateHMDB
2-Aminoethylsulfonic acidHMDB
2-SulfoethylamineHMDB
Taurine hydrochlorideHMDB
Taurine zinc salt (2:1)HMDB
Taurine, monopotassium saltHMDB
TaufonHMDB
TauphonHMDB
Chemical FormulaC2H7NO3S
Average Molecular Weight125.147
Monoisotopic Molecular Weight125.014663785
IUPAC Name2-aminoethane-1-sulfonic acid
Traditional Nametaurine
CAS Registry Number107-35-7
SMILES
NCCS(O)(=O)=O
InChI Identifier
InChI=1S/C2H7NO3S/c3-1-2-7(4,5)6/h1-3H2,(H,4,5,6)
InChI KeyXOAAWQZATWQOTB-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as organosulfonic acids. Organosulfonic acids are compounds containing the sulfonic acid group, which has the general structure RS(=O)2OH (R is not a hydrogen atom).
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassOrganic sulfonic acids and derivatives
Sub ClassOrganosulfonic acids and derivatives
Direct ParentOrganosulfonic acids
Alternative Parents
Substituents
  • Alkanesulfonic acid
  • Sulfonyl
  • Organosulfonic acid
  • Organic nitrogen compound
  • Organic oxygen compound
  • Organopnictogen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Primary amine
  • Organosulfur compound
  • Organonitrogen compound
  • Primary aliphatic amine
  • Amine
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Physical Properties
StateSolid
Experimental Properties
PropertyValueReference
Melting Point300 °CNot Available
Boiling PointNot AvailableNot Available
Water Solubility80.7 mg/mLNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP-2.2ALOGPS
logP-2.6ChemAxon
logS-0.08ALOGPS
pKa (Strongest Acidic)-1.5ChemAxon
pKa (Strongest Basic)9.34ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area80.39 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity24.61 m³·mol⁻¹ChemAxon
Polarizability10.82 ųChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectrum TypeDescriptionSplash KeyDeposition DateView
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (3 TMS)splash10-0032-1901000000-5373a9d32fa1f29b80122014-06-16View Spectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (Non-derivatized)splash10-0032-0901000000-f7cf5a7ef7741fe714542014-06-16View Spectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (3 TMS)splash10-00di-9802000000-c315203efd199b1871e72014-06-16View Spectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-0032-1901000000-5373a9d32fa1f29b80122017-09-12View Spectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-0032-0901000000-f7cf5a7ef7741fe714542017-09-12View Spectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-00di-9802000000-c315203efd199b1871e72017-09-12View Spectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-0f9t-0902000000-41e2bea3bce85bb003862017-09-12View Spectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-0f9t-0902000000-41e2bea3bce85bb003862017-09-12View Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-000x-9000000000-fc8f496bf8d00c37dd842016-09-22View Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Negativesplash10-006t-0890202100-ef2de9b47cafa707f7892012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Negativesplash10-004i-9300000000-530438ccab9f22503af52012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Negativesplash10-00di-0900000000-ad642e440d924dfd8e202012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Negativesplash10-006t-0097000000-24cfd722ea30b6a3b22d2012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Negativesplash10-006t-0790202100-45d57f0101d4cefbc9812012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Negativesplash10-004i-9300000000-bd1f04d82f9e675f23032012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Negativesplash10-00di-0900000000-d411fff703670832e4452012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Negativesplash10-006t-0098000000-c86b66ff71cff513520f2012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 10V, Negativesplash10-00di-0900000000-31f44189a2671cf5d2e92012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 20V, Negativesplash10-00e9-6900000000-cc7fe1badfe13959526d2012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 30V, Negativesplash10-001i-9000000000-ae6465f92e91cfad72762012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 40V, Negativesplash10-001i-9000000000-af0ea33a51fe79abee002012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 50V, Negativesplash10-001i-9000000000-27d6c7ae55f73bb21b3c2012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , negativesplash10-00di-0900000000-31f44189a2671cf5d2e92017-09-14View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , negativesplash10-00e9-6900000000-cc7fe1badfe13959526d2017-09-14View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , negativesplash10-001i-9000000000-ae6465f92e91cfad72762017-09-14View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , negativesplash10-001i-9000000000-af0ea33a51fe79abee002017-09-14View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , negativesplash10-001i-9000000000-27d6c7ae55f73bb21b3c2017-09-14View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT , negativesplash10-004i-9300000000-530438ccab9f22503af52017-09-14View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT , negativesplash10-00di-0900000000-ad642e440d924dfd8e202017-09-14View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT , negativesplash10-006t-0097000000-e6d9cd15ddc56b10a1c62017-09-14View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT , negativesplash10-004i-9300000000-bd1f04d82f9e675f23032017-09-14View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT , negativesplash10-00di-0900000000-d411fff703670832e4452017-09-14View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT , negativesplash10-006t-0098000000-c86b66ff71cff513520f2017-09-14View Spectrum
LC-MS/MSLC-MS/MS Spectrum - , negativesplash10-00di-4900000000-9793e5415fbc98c192052017-09-14View Spectrum
MSMass Spectrum (Electron Ionization)splash10-0036-9000000000-a96a1a8b53b1b556f6ca2014-09-20View Spectrum
1D NMR13C NMR Spectrum (1D, 125 MHz, H2O, experimental)Not Available2012-12-04View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, H2O, experimental)Not Available2012-12-04View Spectrum
1D NMR1H NMR Spectrum (1D, 90 MHz, DMSO-d6, experimental)Not Available2014-09-20View Spectrum
1D NMR1H NMR Spectrum (1D, D2O, experimental)Not Available2016-10-22View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)Not Available2021-09-16View Spectrum
1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)Not Available2021-09-16View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)Not Available2021-09-16View Spectrum
1D NMR13C NMR Spectrum (1D, 200 MHz, D2O, predicted)Not Available2021-09-16View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)Not Available2021-09-16View Spectrum
1D NMR13C NMR Spectrum (1D, 300 MHz, D2O, predicted)Not Available2021-09-16View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)Not Available2021-09-16View Spectrum
1D NMR13C NMR Spectrum (1D, 400 MHz, D2O, predicted)Not Available2021-09-16View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)Not Available2021-09-16View Spectrum
1D NMR13C NMR Spectrum (1D, 500 MHz, D2O, predicted)Not Available2021-09-16View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)Not Available2021-09-16View Spectrum
1D NMR13C NMR Spectrum (1D, 600 MHz, D2O, predicted)Not Available2021-09-16View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)Not Available2021-09-16View Spectrum
1D NMR13C NMR Spectrum (1D, 700 MHz, D2O, predicted)Not Available2021-09-16View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)Not Available2021-09-16View Spectrum
1D NMR13C NMR Spectrum (1D, 800 MHz, D2O, predicted)Not Available2021-09-16View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)Not Available2021-09-16View Spectrum
1D NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)Not Available2021-09-16View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)Not Available2021-09-16View Spectrum
1D NMR13C NMR Spectrum (1D, 1000 MHz, D2O, predicted)Not Available2021-09-16View Spectrum
1D NMR13C NMR Spectrum (1D, 400 MHz, H2O, experimental)Not Available2021-10-10View Spectrum
2D NMR[1H, 1H]-TOCSY. Unexported temporarily by An Chi on Oct 15, 2021 until json or nmrML file is generated. 2D NMR Spectrum (experimental)Not Available2012-12-04View Spectrum
2D NMR[1H, 13C]-HSQC NMR Spectrum (2D, 600 MHz, H2O, experimental)Not Available2012-12-05View Spectrum
Concentrations
StatusValueReferenceDetails
Detected and Quantified10 - 30 uM
  • NRC. 1989. Recomm...
details
Detected and Quantified327 - 621 uM details
Detected and Quantified37 +/- 2 uM details
Detected and Quantified41 +/- 2 uM details
Detected and Quantified38 +/- 2 uM details
Detected and Quantified37 +/- 2 uM details
HMDB IDHMDB0000251
DrugBank IDDB01956
Phenol Explorer Compound IDNot Available
FoodDB IDFDB003191
KNApSAcK IDC00048188
Chemspider ID1091
KEGG Compound IDC00245
BioCyc IDTAURINE
BiGG ID34373
Wikipedia LinkTaurine
METLIN ID31
PubChem Compound1123
PDB IDNot Available
ChEBI ID15891
References
Synthesis ReferenceHu, Libo; Zhu, Hui; Du, Da-Ming; Xu, Jiaxi. Efficient synthesis of taurine and structurally diverse substituted taurines from aziridines. Journal of Organic Chemistry (2007), 72(12), 4543-4546.
Material Safety Data Sheet (MSDS)Download (PDF)
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. Mung D, Li L: Development of Chemical Isotope Labeling LC-MS for Milk Metabolomics: Comprehensive and Quantitative Profiling of the Amine/Phenol Submetabolome. Anal Chem. 2017 Apr 18;89(8):4435-4443. doi: 10.1021/acs.analchem.6b03737. Epub 2017 Mar 28. [PubMed:28306241 ]
  3. Mung D, Li L: Applying quantitative metabolomics based on chemical isotope labeling LC-MS for detecting potential milk adulterant in human milk. Anal Chim Acta. 2018 Feb 25;1001:78-85. doi: 10.1016/j.aca.2017.11.019. Epub 2017 Nov 14. [PubMed:29291809 ]
  4. NA (1989). NRC. 1989. Recommended Dietary Allowances. 10th ed. Natl. Acad. Press, Washington, DC.. The National Academies Press.
  5. 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.