| Record Information |
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| Version | 5.0 |
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| Status | Detected and Quantified |
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| Creation Date | 2006-05-22 14:17:37 UTC |
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| Update Date | 2023-02-21 17:16:11 UTC |
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| HMDB ID | HMDB0002127 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 3-Mercaptolactic acid |
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| Description | 3-Mercaptolactic acid, also known as 3-mercaptolactate, belongs to the class of organic compounds known as monosaccharides. Monosaccharides are compounds containing one carbohydrate unit not glycosidically linked to another such unit, and no set of two or more glycosidically linked carbohydrate units. Monosaccharides have the general formula CnH2nOn. In humans, 3-mercaptolactic acid is involved in the cysteine metabolism pathway. 3-Mercaptolactic acid has been detected, but not quantified in, a few different foods, such as anatidaes (Anatidae), chickens (Gallus gallus), and domestic pigs (Sus scrofa domestica). This could make 3-mercaptolactic acid a potential biomarker for the consumption of these foods. 3-Mercaptolactic acid is a primary metabolite. Primary metabolites are metabolically or physiologically essential metabolites. They are directly involved in an organism’s growth, development or reproduction. Based on a literature review very few articles have been published on 3-Mercaptolactic acid. |
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| Structure | InChI=1S/C3H6O3S/c4-2(1-7)3(5)6/h2,4,7H,1H2,(H,5,6) |
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| Synonyms | | Value | Source |
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| 3-Mercaptolactate | Generator | | b-Mercaptolactate | HMDB | | b-Mercaptolactic acid | HMDB | | beta-Mercaptolactate | HMDB, MeSH | | beta-Mercaptolactic acid | HMDB | | 2-Hydroxy-3-mercaptopropionic acid | MeSH, HMDB |
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| Chemical Formula | C3H6O3S |
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| Average Molecular Weight | 122.143 |
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| Monoisotopic Molecular Weight | 122.003764748 |
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| IUPAC Name | 2-hydroxy-3-sulfanylpropanoic acid |
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| Traditional Name | β-mercaptolactic acid |
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| CAS Registry Number | 2614-83-7 |
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| SMILES | OC(CS)C(O)=O |
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| InChI Identifier | InChI=1S/C3H6O3S/c4-2(1-7)3(5)6/h2,4,7H,1H2,(H,5,6) |
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| InChI Key | OLQOVQTWRIJPRE-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as monosaccharides. Monosaccharides are compounds containing one carbohydrate unit not glycosidically linked to another such unit, and no set of two or more glycosidically linked carbohydrate units. Monosaccharides have the general formula CnH2nOn. |
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| Kingdom | Organic compounds |
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| Super Class | Organic oxygen compounds |
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| Class | Organooxygen compounds |
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| Sub Class | Carbohydrates and carbohydrate conjugates |
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| Direct Parent | Monosaccharides |
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| Alternative Parents | |
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| Substituents | - Monosaccharide
- Hydroxy acid
- Alpha-hydroxy acid
- Secondary alcohol
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Carboxylic acid derivative
- Alkylthiol
- Organic oxide
- Hydrocarbon derivative
- Organosulfur compound
- Carbonyl group
- Alcohol
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic compounds |
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| External Descriptors | Not Available |
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| Ontology |
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| Physiological effect | Not Available |
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| Disposition | |
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| Process | |
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| Role | Not Available |
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| Physical Properties |
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| State | Solid |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | Not Available | Not Available |
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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. | 1.72 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 10.4152 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 3.37 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 188.2 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1523.9 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 396.2 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 73.8 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 265.3 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 97.6 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 313.9 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 | 403.8 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 656.6 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 681.6 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 75.5 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 | 1028.4 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 258.8 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 283.7 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 746.9 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 307.1 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 | 330.7 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| 3-Mercaptolactic acid,1TMS,isomer #1 | C[Si](C)(C)OC(CS)C(=O)O | 1288.3 | Semi standard non polar | 33892256 | | 3-Mercaptolactic acid,1TMS,isomer #2 | C[Si](C)(C)OC(=O)C(O)CS | 1170.8 | Semi standard non polar | 33892256 | | 3-Mercaptolactic acid,1TMS,isomer #3 | C[Si](C)(C)SCC(O)C(=O)O | 1330.4 | Semi standard non polar | 33892256 | | 3-Mercaptolactic acid,2TMS,isomer #1 | C[Si](C)(C)OC(=O)C(CS)O[Si](C)(C)C | 1305.4 | Semi standard non polar | 33892256 | | 3-Mercaptolactic acid,2TMS,isomer #2 | C[Si](C)(C)OC(CS[Si](C)(C)C)C(=O)O | 1450.0 | Semi standard non polar | 33892256 | | 3-Mercaptolactic acid,2TMS,isomer #3 | C[Si](C)(C)OC(=O)C(O)CS[Si](C)(C)C | 1378.5 | Semi standard non polar | 33892256 | | 3-Mercaptolactic acid,3TMS,isomer #1 | C[Si](C)(C)OC(=O)C(CS[Si](C)(C)C)O[Si](C)(C)C | 1493.1 | Semi standard non polar | 33892256 | | 3-Mercaptolactic acid,3TMS,isomer #1 | C[Si](C)(C)OC(=O)C(CS[Si](C)(C)C)O[Si](C)(C)C | 1445.2 | Standard non polar | 33892256 | | 3-Mercaptolactic acid,3TMS,isomer #1 | C[Si](C)(C)OC(=O)C(CS[Si](C)(C)C)O[Si](C)(C)C | 1456.2 | Standard polar | 33892256 | | 3-Mercaptolactic acid,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(CS)C(=O)O | 1537.4 | Semi standard non polar | 33892256 | | 3-Mercaptolactic acid,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)C(O)CS | 1423.1 | Semi standard non polar | 33892256 | | 3-Mercaptolactic acid,1TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)SCC(O)C(=O)O | 1565.2 | Semi standard non polar | 33892256 | | 3-Mercaptolactic acid,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C(CS)O[Si](C)(C)C(C)(C)C | 1770.7 | Semi standard non polar | 33892256 | | 3-Mercaptolactic acid,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(CS[Si](C)(C)C(C)(C)C)C(=O)O | 1888.0 | Semi standard non polar | 33892256 | | 3-Mercaptolactic acid,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OC(=O)C(O)CS[Si](C)(C)C(C)(C)C | 1839.8 | Semi standard non polar | 33892256 | | 3-Mercaptolactic acid,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C(CS[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 2127.8 | Semi standard non polar | 33892256 | | 3-Mercaptolactic acid,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C(CS[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 2106.8 | Standard non polar | 33892256 | | 3-Mercaptolactic acid,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C(CS[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 1914.7 | Standard polar | 33892256 |
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