| Record Information | 
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| Version | 5.0 | 
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| Status | Detected and Quantified | 
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| Creation Date | 2005-11-16 15:48:42 UTC | 
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| Update Date | 2023-02-21 17:15:45 UTC | 
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| HMDB ID | HMDB0001527 | 
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| Secondary Accession Numbers |  | 
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| Metabolite Identification | 
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| Common Name | 3-Methylthiopropionic acid | 
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| Description | 3-Methylthiopropionic acid, also known as 3-(methylsulfanyl)propanoate or 3-methylthiopropanoate, belongs to the class of organic compounds known as straight chain fatty acids. These are fatty acids with a straight aliphatic chain. Based on a literature review a significant number of articles have been published on 3-Methylthiopropionic acid. | 
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| Structure | InChI=1S/C4H8O2S/c1-7-3-2-4(5)6/h2-3H2,1H3,(H,5,6) | 
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| Synonyms | | Value | Source | 
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 | 3-Methylthiopropanoic acid | ChEBI |  | 3-(Methylthio)propionic acid | Kegg |  | 3-Methylthiopropionate | Kegg |  | 3-(Methylsulfanyl)propanoate | Kegg |  | 3-Methylthiopropanoate | Generator |  | 3-(Methylthio)propionate | Generator |  | 3-(Methylsulfanyl)propanoic acid | Generator |  | 3-(Methylsulphanyl)propanoate | Generator |  | 3-(Methylsulphanyl)propanoic acid | Generator |  | 3-Methylmercaptopropionate | MeSH |  | 3-Methylthiopropionate sodium salt | MeSH |  | 4-Thiapentanoate | HMDB |  | 4-Thiapentanoic acid | HMDB |  | 3-Methylthiopropionic acid | Generator |  | 3-Methyl-thiopropionate | Generator, HMDB | 
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| Chemical Formula | C4H8O2S | 
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| Average Molecular Weight | 120.17 | 
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| Monoisotopic Molecular Weight | 120.02450019 | 
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| IUPAC Name | 3-(methylsulfanyl)propanoic acid | 
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| Traditional Name | 3-methylthiopropionic acid | 
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| CAS Registry Number | 646-01-5 | 
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| SMILES | CSCCC(O)=O | 
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| InChI Identifier | InChI=1S/C4H8O2S/c1-7-3-2-4(5)6/h2-3H2,1H3,(H,5,6) | 
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| InChI Key | CAOMCZAIALVUPA-UHFFFAOYSA-N | 
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| Chemical Taxonomy | 
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| Description | Belongs to the class of organic compounds known as straight chain fatty acids. These are fatty acids with a straight aliphatic chain. | 
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| Kingdom | Organic compounds | 
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| Super Class | Lipids and lipid-like molecules | 
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| Class | Fatty Acyls | 
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| Sub Class | Fatty acids and conjugates | 
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| Direct Parent | Straight chain fatty acids | 
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| Alternative Parents |  | 
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| Substituents | Straight chain fatty acidDialkylthioetherSulfenyl compoundThioetherMonocarboxylic acid or derivativesCarboxylic acidCarboxylic acid derivativeOrganic oxygen compoundOrganic oxideHydrocarbon derivativeOrganosulfur compoundOrganooxygen compoundCarbonyl groupAliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic compounds | 
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| External Descriptors |  | 
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| Ontology | 
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| Physiological effect |  | 
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| Disposition |  | 
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| Process |  | 
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| Role |  | 
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| Physical Properties | 
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| State | Solid | 
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| Experimental Molecular Properties |  | 
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| Experimental Chromatographic Properties | Not Available | 
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| Predicted Molecular Properties |  | 
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| Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Retention Times Underivatized| Chromatographic Method | Retention Time | Reference | 
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 | Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. Predicted by Afia on May 17, 2022. | 2.87 minutes | 32390414 |  | Predicted by Siyang on May 30, 2022 | 10.1584 minutes | 33406817 |  | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 3.35 minutes | 32390414 |  | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 93.9 seconds | 40023050 |  | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1310.4 seconds | 40023050 |  | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 365.0 seconds | 40023050 |  | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 101.1 seconds | 40023050 |  | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 247.4 seconds | 40023050 |  | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 110.3 seconds | 40023050 |  | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 319.2 seconds | 40023050 |  | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 446.6 seconds | 40023050 |  | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 139.5 seconds | 40023050 |  | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 787.5 seconds | 40023050 |  | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 286.3 seconds | 40023050 |  | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 908.5 seconds | 40023050 |  | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 267.3 seconds | 40023050 |  | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 302.3 seconds | 40023050 |  | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 452.9 seconds | 40023050 |  | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 278.8 seconds | 40023050 |  | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 155.3 seconds | 40023050 | 
 Predicted Kovats Retention IndicesUnderivatizedDerivatized | 
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| Spectra | 
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|  | GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View | 
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 | Predicted GC-MS | Predicted GC-MS Spectrum - 3-Methylthiopropionic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-006w-9100000000-3cfcc386869df1bf9ead | 2017-09-01 | Wishart Lab | View Spectrum |  | Predicted GC-MS | Predicted GC-MS Spectrum - 3-Methylthiopropionic acid GC-MS (1 TMS) - 70eV, Positive | splash10-00g0-9300000000-325fad52ddab47e35b3e | 2017-10-06 | Wishart Lab | View Spectrum |  | Predicted GC-MS | Predicted GC-MS Spectrum - 3-Methylthiopropionic acid GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | 
 MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View | 
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 | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Methylthiopropionic acid  10V, Positive-QTOF | splash10-0fk9-3900000000-4e55d1b8f9820c0c8aa6 | 2016-08-03 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Methylthiopropionic acid  20V, Positive-QTOF | splash10-0kmi-9400000000-009a67c09a7b0ea1e6e9 | 2016-08-03 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Methylthiopropionic acid  40V, Positive-QTOF | splash10-056r-9000000000-e5e33a00d9d70ebd558a | 2016-08-03 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Methylthiopropionic acid  10V, Negative-QTOF | splash10-0002-9100000000-6b3eaab7ae6d34eeb6a8 | 2016-08-03 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Methylthiopropionic acid  20V, Negative-QTOF | splash10-0002-9000000000-81e7994d19757c067fbf | 2016-08-03 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Methylthiopropionic acid  40V, Negative-QTOF | splash10-0002-9000000000-2100e1cf3bf5bf7a5a2d | 2016-08-03 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Methylthiopropionic acid  10V, Positive-QTOF | splash10-03di-9100000000-e29966073bedd2624c6c | 2021-09-22 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Methylthiopropionic acid  20V, Positive-QTOF | splash10-03di-9000000000-00973e5a2d9f317e8f59 | 2021-09-22 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Methylthiopropionic acid  40V, Positive-QTOF | splash10-03dj-9000000000-542b1687a0dd4db2b7ec | 2021-09-22 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Methylthiopropionic acid  10V, Negative-QTOF | splash10-0002-9000000000-e1d92d2a30bee517d754 | 2021-09-23 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Methylthiopropionic acid  20V, Negative-QTOF | splash10-0002-9000000000-e1d92d2a30bee517d754 | 2021-09-23 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Methylthiopropionic acid  40V, Negative-QTOF | splash10-0002-9000000000-e1d92d2a30bee517d754 | 2021-09-23 | Wishart Lab | View Spectrum | 
 NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View | 
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 | Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | 
 IR Spectra| Spectrum Type | Description | Deposition Date | Source | View | 
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 | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-) | 2023-02-03 | FELIX lab | View Spectrum |  | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+) | 2023-02-03 | FELIX lab | View Spectrum |  | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+) | 2023-02-03 | FELIX lab | View Spectrum | 
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| Biological Properties | 
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| Cellular Locations |  | 
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| Biospecimen Locations |  | 
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| Tissue Locations | Not Available | 
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| Pathways |  | 
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| Normal Concentrations | 
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 | Feces | Detected but not Quantified | Not Quantified | Not Specified | Not Specified | Normal |  | details |  | Feces | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Normal |  | details |  | Urine | Detected and Quantified | 0.036 +/- 0.009 umol/mmol creatinine | Adult (>18 years old) | Both | Normal |  | details | 
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| Abnormal Concentrations | 
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 | Feces | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Colorectal Cancer |  | details |  | Feces | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Colorectal cancer |  | details |  | Urine | Detected and Quantified | 0.097 +/- 0.022 umol/mmol creatinine | Adult (>18 years old) | Both | Liver Cirrhosis |  | details | 
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| Associated Disorders and Diseases | 
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| Disease References | | Colorectal cancer | 
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 | Brown DG, Rao S, Weir TL, O'Malia J, Bazan M, Brown RJ, Ryan EP: Metabolomics and metabolic pathway networks from human colorectal cancers, adjacent mucosa, and stool. Cancer Metab. 2016 Jun 6;4:11. doi: 10.1186/s40170-016-0151-y. eCollection 2016. [PubMed:27275383  ] Goedert JJ, Sampson JN, Moore SC, Xiao Q, Xiong X, Hayes RB, Ahn J, Shi J, Sinha R: Fecal metabolomics: assay performance and association with colorectal cancer. Carcinogenesis. 2014 Sep;35(9):2089-96. doi: 10.1093/carcin/bgu131. Epub 2014 Jul 18. [PubMed:25037050  ] 
 |  | Cirrhosis | 
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 | Yoshida Y: [Analysis of methionine metabolism studied by the gas chromatographic determination of 3-methylthiopropionate in urine and its clinical application]. Hokkaido Igaku Zasshi. 1985 Mar;60(2):183-94. [PubMed:3997054  ] 
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| Associated OMIM IDs |  | 
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| External Links | 
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| DrugBank ID | Not Available | 
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| Phenol Explorer Compound ID | Not Available | 
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| FooDB ID | FDB022672 | 
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| KNApSAcK ID | C00001194 | 
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| Chemspider ID | 547 | 
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| KEGG Compound ID | C08276 | 
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| BioCyc ID | CPD-7672 | 
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| BiGG ID | Not Available | 
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| Wikipedia Link | Not Available | 
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| METLIN ID | 6300 | 
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| PubChem Compound | 563 | 
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| PDB ID | Not Available | 
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| ChEBI ID | 1438 | 
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| Food Biomarker Ontology | Not Available | 
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| VMH ID | C08276 | 
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| MarkerDB ID | MDB00013440 | 
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| Good Scents ID | rw1047451 | 
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| References | 
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| Synthesis Reference | Whitehead, Ian M.; Ohleyer, Eric.  Process for the production of carboxylic acids from alcohols using Saccharomyces.    U.S.  (1997),     6 pp. | 
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| Material Safety Data Sheet (MSDS) | Download (PDF) | 
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| General References | Yoshida Y: [Analysis of methionine metabolism studied by the gas chromatographic determination of 3-methylthiopropionate in urine and its clinical application]. Hokkaido Igaku Zasshi. 1985 Mar;60(2):183-94. [PubMed:3997054  ] Kaji H, Niioka T, Kojima Y, Yoshida Y, Kawakami Y: Urinary 3-methylthiopropionate excretion and the effect of D- or L-methionine ingestion studied in healthy subjects. Res Commun Chem Pathol Pharmacol. 1987 Apr;56(1):101-9. [PubMed:3589145  ] 
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