Hmdb loader
Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-10 21:51:52 UTC
Update Date2021-09-26 22:52:39 UTC
HMDB IDHMDB0244725
Secondary Accession NumbersNone
Metabolite Identification
Common Name16-Mercaptohexadecanoic acid
Description16-Mercaptohexadecanoic acid, also known as 16-mha CPD or 16-sulfanylhexadecanoate, belongs to the class of organic compounds known as long-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 13 and 21 carbon atoms. Based on a literature review a significant number of articles have been published on 16-Mercaptohexadecanoic acid. This compound has been identified in human blood as reported by (PMID: 31557052 ). 16-mercaptohexadecanoic acid is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically 16-Mercaptohexadecanoic acid 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
16-MercaptohexadecanoateGenerator
16-SulfanylhexadecanoateHMDB
16-SulphanylhexadecanoateHMDB
16-Sulphanylhexadecanoic acidHMDB
16-MHA CPDHMDB
Chemical FormulaC16H32O2S
Average Molecular Weight288.49
Monoisotopic Molecular Weight288.212301444
IUPAC Name16-sulfanylhexadecanoic acid
Traditional Name16-sulfanylhexadecanoic acid
CAS Registry NumberNot Available
SMILES
OC(=O)CCCCCCCCCCCCCCCS
InChI Identifier
InChI=1S/C16H32O2S/c17-16(18)14-12-10-8-6-4-2-1-3-5-7-9-11-13-15-19/h19H,1-15H2,(H,17,18)
InChI KeyINOAASCWQMFJQA-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as long-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 13 and 21 carbon atoms.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassFatty acids and conjugates
Direct ParentLong-chain fatty acids
Alternative Parents
Substituents
  • Long-chain fatty acid
  • Thia fatty acid
  • Straight chain fatty acid
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Alkylthiol
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organosulfur compound
  • Organooxygen compound
  • Carbonyl group
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External DescriptorsNot Available
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
logP6.77ALOGPS
logP6.07ChemAxon
logS-6ALOGPS
pKa (Strongest Acidic)4.95ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area37.3 ŲChemAxon
Rotatable Bond Count15ChemAxon
Refractivity85.04 m³·mol⁻¹ChemAxon
Polarizability37.6 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityNoChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+169.55930932474
DeepCCS[M-H]-167.20130932474
DeepCCS[M-2H]-202.12530932474
DeepCCS[M+Na]+176.73230932474
AllCCS[M+H]+174.332859911
AllCCS[M+H-H2O]+171.432859911
AllCCS[M+NH4]+177.032859911
AllCCS[M+Na]+177.832859911
AllCCS[M-H]-178.032859911
AllCCS[M+Na-2H]-179.432859911
AllCCS[M+HCOO]-181.032859911

Predicted Retention Times

Underivatized

Chromatographic MethodRetention TimeReference
Predicted by Siyang on May 30, 202223.4866 minutes33406817
Predicted by Siyang using ReTip algorithm on June 8, 20222.19 minutes32390414
Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid3412.2 seconds40023050
Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid692.0 seconds40023050
Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid253.1 seconds40023050
Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid377.7 seconds40023050
RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid570.5 seconds40023050
Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid968.8 seconds40023050
BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid1022.2 seconds40023050
HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate)169.7 seconds40023050
UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid2161.9 seconds40023050
BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid568.3 seconds40023050
UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid1845.7 seconds40023050
SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid803.0 seconds40023050
RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid490.0 seconds40023050
MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate801.6 seconds40023050
KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA645.9 seconds40023050
Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water18.8 seconds40023050

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
16-Mercaptohexadecanoic acidOC(=O)CCCCCCCCCCCCCCCS3415.0Standard polar33892256
16-Mercaptohexadecanoic acidOC(=O)CCCCCCCCCCCCCCCS2250.1Standard non polar33892256
16-Mercaptohexadecanoic acidOC(=O)CCCCCCCCCCCCCCCS2336.5Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
16-Mercaptohexadecanoic acid,2TMS,isomer #1C[Si](C)(C)OC(=O)CCCCCCCCCCCCCCCS[Si](C)(C)C2599.8Semi standard non polar33892256
16-Mercaptohexadecanoic acid,2TMS,isomer #1C[Si](C)(C)OC(=O)CCCCCCCCCCCCCCCS[Si](C)(C)C2591.5Standard non polar33892256
16-Mercaptohexadecanoic acid,2TMS,isomer #1C[Si](C)(C)OC(=O)CCCCCCCCCCCCCCCS[Si](C)(C)C2572.8Standard polar33892256
16-Mercaptohexadecanoic acid,2TBDMS,isomer #1CC(C)(C)[Si](C)(C)OC(=O)CCCCCCCCCCCCCCCS[Si](C)(C)C(C)(C)C3115.3Semi standard non polar33892256
16-Mercaptohexadecanoic acid,2TBDMS,isomer #1CC(C)(C)[Si](C)(C)OC(=O)CCCCCCCCCCCCCCCS[Si](C)(C)C(C)(C)C3002.8Standard non polar33892256
16-Mercaptohexadecanoic acid,2TBDMS,isomer #1CC(C)(C)[Si](C)(C)OC(=O)CCCCCCCCCCCCCCCS[Si](C)(C)C(C)(C)C2790.2Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 16-Mercaptohexadecanoic acid GC-MS (Non-derivatized) - 70eV, Positivesplash10-004m-2950000000-eff30c43ca2c1ddb77042021-09-23Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 16-Mercaptohexadecanoic acid GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 16-Mercaptohexadecanoic acid GC-MS (TMS_1_1) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 16-Mercaptohexadecanoic acid GC-MS (TMS_1_2) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 16-Mercaptohexadecanoic acid GC-MS (TBDMS_1_1) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 16-Mercaptohexadecanoic acid GC-MS (TBDMS_1_2) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 16-Mercaptohexadecanoic acid 10V, Positive-QTOFsplash10-0079-0190000000-750e0f57ed9794bea0822021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 16-Mercaptohexadecanoic acid 20V, Positive-QTOFsplash10-00di-9550000000-3106b3d24be535bf389c2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 16-Mercaptohexadecanoic acid 40V, Positive-QTOFsplash10-0a5d-9000000000-c941b1b40691843322752021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 16-Mercaptohexadecanoic acid 10V, Negative-QTOFsplash10-000i-0090000000-be55d789826033db08e82021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 16-Mercaptohexadecanoic acid 20V, Negative-QTOFsplash10-00kr-0090000000-1b282d5dfb4345f1e4402021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 16-Mercaptohexadecanoic acid 40V, Negative-QTOFsplash10-00kf-9540000000-1454e058224c4d3311d72021-10-12Wishart 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 ID2761790
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound3522585
PDB IDNot Available
ChEBI IDNot Available
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 ]