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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-10 23:46:34 UTC
Update Date2021-09-26 22:56:03 UTC
HMDB IDHMDB0246762
Secondary Accession NumbersNone
Metabolite Identification
Common Name5-Carboxyfluorescein
Description5-Carboxyfluorescein, also known as 5-FAM, belongs to the class of organic compounds known as xanthenes. These are polycyclic aromatic compounds containing a xanthene moiety, which consists of two benzene rings joined to each other by a pyran ring. Based on a literature review a significant number of articles have been published on 5-Carboxyfluorescein. This compound has been identified in human blood as reported by (PMID: 31557052 ). 5-carboxyfluorescein is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically 5-Carboxyfluorescein is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources.
Structure
Thumb
Synonyms
ValueSource
4(5)-CarboxyfluoresceinChEBI
4-CarboxyfluoresceinChEBI
5-FAMChEBI
Chemical FormulaC21H12O7
Average Molecular Weight376.3158
Monoisotopic Molecular Weight376.058302738
IUPAC Name3',6'-dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid
Traditional Name5-carboxyfluorescein
CAS Registry NumberNot Available
SMILES
OC(=O)C1=CC2=C(C=C1)C1(OC2=O)C2=C(OC3=C1C=CC(O)=C3)C=C(O)C=C2
InChI Identifier
InChI=1S/C21H12O7/c22-11-2-5-15-17(8-11)27-18-9-12(23)3-6-16(18)21(15)14-4-1-10(19(24)25)7-13(14)20(26)28-21/h1-9,22-23H,(H,24,25)
InChI KeyNJYVEMPWNAYQQN-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as xanthenes. These are polycyclic aromatic compounds containing a xanthene moiety, which consists of two benzene rings joined to each other by a pyran ring.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassBenzopyrans
Sub Class1-benzopyrans
Direct ParentXanthenes
Alternative Parents
Substituents
  • Xanthene
  • Meta_phthalic_acid
  • Diaryl ether
  • Benzofuranone
  • Phthalide
  • Isobenzofuranone
  • Isobenzofuran
  • Isocoumaran
  • 1-hydroxy-2-unsubstituted benzenoid
  • Benzenoid
  • Dicarboxylic acid or derivatives
  • Lactone
  • Carboxylic acid ester
  • Oxacycle
  • Ether
  • Carboxylic acid
  • Carboxylic acid derivative
  • Hydrocarbon derivative
  • Organic oxide
  • Organooxygen compound
  • Organic oxygen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateNot Available
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
logP3.23ALOGPS
logP3.54ChemAxon
logS-4.5ALOGPS
pKa (Strongest Acidic)3.83ChemAxon
pKa (Strongest Basic)-6ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area113.29 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity98.48 m³·mol⁻¹ChemAxon
Polarizability36.47 ųChemAxon
Number of Rings5ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+185.16230932474
DeepCCS[M-H]-182.80430932474
DeepCCS[M-2H]-216.42730932474
DeepCCS[M+Na]+191.58230932474
AllCCS[M+H]+186.432859911
AllCCS[M+H-H2O]+183.432859911
AllCCS[M+NH4]+189.132859911
AllCCS[M+Na]+189.932859911
AllCCS[M-H]-185.832859911
AllCCS[M+Na-2H]-184.632859911
AllCCS[M+HCOO]-183.632859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
5-CarboxyfluoresceinOC(=O)C1=CC2=C(C=C1)C1(OC2=O)C2=C(OC3=C1C=CC(O)=C3)C=C(O)C=C25560.7Standard polar33892256
5-CarboxyfluoresceinOC(=O)C1=CC2=C(C=C1)C1(OC2=O)C2=C(OC3=C1C=CC(O)=C3)C=C(O)C=C23325.2Standard non polar33892256
5-CarboxyfluoresceinOC(=O)C1=CC2=C(C=C1)C1(OC2=O)C2=C(OC3=C1C=CC(O)=C3)C=C(O)C=C23939.1Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 5-Carboxyfluorescein GC-MS (Non-derivatized) - 70eV, Positivesplash10-004i-1189000000-c54d8b10309a2e7516db2021-09-23Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 5-Carboxyfluorescein GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 5-Carboxyfluorescein GC-MS (TMS_1_1) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 5-Carboxyfluorescein GC-MS (TMS_1_2) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 5-Carboxyfluorescein GC-MS (TMS_2_1) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 5-Carboxyfluorescein GC-MS (TMS_2_2) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 5-Carboxyfluorescein GC-MS (TMS_3_1) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 5-Carboxyfluorescein GC-MS (TBDMS_1_1) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 5-Carboxyfluorescein GC-MS (TBDMS_1_2) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 5-Carboxyfluorescein GC-MS (TBDMS_2_1) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 5-Carboxyfluorescein GC-MS (TBDMS_2_2) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 5-Carboxyfluorescein GC-MS (TBDMS_3_1) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Carboxyfluorescein 10V, Positive-QTOFsplash10-004i-0009000000-ab059c0ca933ae4bbc532021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Carboxyfluorescein 20V, Positive-QTOFsplash10-0059-0009000000-35637289809d1bd843482021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Carboxyfluorescein 40V, Positive-QTOFsplash10-0a4i-0009000000-6aac2e13d838d5cecc282021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Carboxyfluorescein 10V, Negative-QTOFsplash10-004i-0009000000-40fdbb038bc4cd6273652021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Carboxyfluorescein 20V, Negative-QTOFsplash10-001i-0009000000-65ca3a33a444f1c08b532021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Carboxyfluorescein 40V, Negative-QTOFsplash10-004i-1119000000-4d87d6c9564c035561702021-10-12Wishart LabView Spectrum
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Blood
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID110316
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia Link6-Carboxyfluorescein
METLIN IDNot Available
PubChem Compound123755
PDB IDNot Available
ChEBI ID51617
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Barupal DK, Fiehn O: Generating the Blood Exposome Database Using a Comprehensive Text Mining and Database Fusion Approach. Environ Health Perspect. 2019 Sep;127(9):97008. doi: 10.1289/EHP4713. Epub 2019 Sep 26. [PubMed:31557052 ]