| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2019-10-08 15:42:13 UTC |
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| Update Date | 2022-09-22 18:35:13 UTC |
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| HMDB ID | HMDB0240461 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | 4-Methylcatechol 2-sulfate |
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| Description | 4-Methylcatechol 2-sulfate is a member of the class of compounds known as phenylsulfates. Phenylsulfates are compounds containing a sulfuric acid group conjugated to a phenyl group. 4-Methylcatechol 2-sulfate is slightly soluble (in water) and an extremely strong acidic compound (based on its pKa). 4-Methylcatechol 2-sulfate has been identified in the human placenta (PMID: 32033212 ). |
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| Structure | CC1=CC(OS(O)(=O)=O)=C(O)C=C1 InChI=1S/C7H8O5S/c1-5-2-3-6(8)7(4-5)12-13(9,10)11/h2-4,8H,1H3,(H,9,10,11) |
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| Synonyms | | Value | Source |
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| 4-Methylcatechol 2-sulfuric acid | Generator | | 4-Methylcatechol 2-sulphate | Generator | | 4-Methylcatechol 2-sulphuric acid | Generator | | 4-Methyl-catechol-2-O-sulfate | HMDB | | 4-Methyl-catechol-2-O-sulfuric acid | HMDB | | 4-Methyl-catechol-2-O-sulphuric acid | HMDB | | 4-Methylcatechol monosulfate | HMDB | | 4-Methylcatechol monosulphate | HMDB | | 4-Methylcatechol sulfate | HMDB | | 4-Methylcatechol sulphate | HMDB | | 4-Methylcatechol 2-sulfate | HMDB |
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| Chemical Formula | C7H8O5S |
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| Average Molecular Weight | 204.2 |
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| Monoisotopic Molecular Weight | 204.009244532 |
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| IUPAC Name | (2-hydroxy-5-methylphenyl)oxidanesulfonic acid |
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| Traditional Name | (2-hydroxy-5-methylphenyl)oxidanesulfonic acid |
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| CAS Registry Number | 1851277-94-5 |
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| SMILES | CC1=CC(OS(O)(=O)=O)=C(O)C=C1 |
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| InChI Identifier | InChI=1S/C7H8O5S/c1-5-2-3-6(8)7(4-5)12-13(9,10)11/h2-4,8H,1H3,(H,9,10,11) |
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| InChI Key | CMEBXVIUEVCAFK-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as phenylsulfates. Phenylsulfates are compounds containing a sulfuric acid group conjugated to a phenyl group. |
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| Kingdom | Organic compounds |
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| Super Class | Organic acids and derivatives |
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| Class | Organic sulfuric acids and derivatives |
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| Sub Class | Arylsulfates |
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| Direct Parent | Phenylsulfates |
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| Alternative Parents | |
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| Substituents | - Phenylsulfate
- Phenoxy compound
- P-cresol
- 1-hydroxy-2-unsubstituted benzenoid
- Phenol
- Toluene
- Sulfuric acid ester
- Sulfate-ester
- Sulfuric acid monoester
- Monocyclic benzene moiety
- Benzenoid
- Organooxygen compound
- Organic oxygen compound
- Hydrocarbon derivative
- Organic oxide
- Aromatic homomonocyclic compound
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| Molecular Framework | Aromatic homomonocyclic 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 | Not Available |
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| Role | Not Available |
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| Physical Properties |
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| State | Not Available |
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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. | 4.19 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 12.5495 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 3.92 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1360.2 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 396.8 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 136.9 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 257.4 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 128.3 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 482.9 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 | 604.7 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 143.9 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 982.1 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 376.8 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 | 1301.7 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 281.6 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 340.6 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 539.8 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 207.0 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 | 162.5 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| 4-Methylcatechol 2-sulfate,1TMS,isomer #1 | CC1=CC=C(O[Si](C)(C)C)C(OS(=O)(=O)O)=C1 | 1807.7 | Semi standard non polar | 33892256 | | 4-Methylcatechol 2-sulfate,1TMS,isomer #2 | CC1=CC=C(O)C(OS(=O)(=O)O[Si](C)(C)C)=C1 | 1722.0 | Semi standard non polar | 33892256 | | 4-Methylcatechol 2-sulfate,2TMS,isomer #1 | CC1=CC=C(O[Si](C)(C)C)C(OS(=O)(=O)O[Si](C)(C)C)=C1 | 1779.5 | Semi standard non polar | 33892256 | | 4-Methylcatechol 2-sulfate,2TMS,isomer #1 | CC1=CC=C(O[Si](C)(C)C)C(OS(=O)(=O)O[Si](C)(C)C)=C1 | 1893.4 | Standard non polar | 33892256 | | 4-Methylcatechol 2-sulfate,2TMS,isomer #1 | CC1=CC=C(O[Si](C)(C)C)C(OS(=O)(=O)O[Si](C)(C)C)=C1 | 2326.8 | Standard polar | 33892256 | | 4-Methylcatechol 2-sulfate,1TBDMS,isomer #1 | CC1=CC=C(O[Si](C)(C)C(C)(C)C)C(OS(=O)(=O)O)=C1 | 2038.8 | Semi standard non polar | 33892256 | | 4-Methylcatechol 2-sulfate,1TBDMS,isomer #2 | CC1=CC=C(O)C(OS(=O)(=O)O[Si](C)(C)C(C)(C)C)=C1 | 1967.3 | Semi standard non polar | 33892256 | | 4-Methylcatechol 2-sulfate,2TBDMS,isomer #1 | CC1=CC=C(O[Si](C)(C)C(C)(C)C)C(OS(=O)(=O)O[Si](C)(C)C(C)(C)C)=C1 | 2275.5 | Semi standard non polar | 33892256 | | 4-Methylcatechol 2-sulfate,2TBDMS,isomer #1 | CC1=CC=C(O[Si](C)(C)C(C)(C)C)C(OS(=O)(=O)O[Si](C)(C)C(C)(C)C)=C1 | 2415.8 | Standard non polar | 33892256 | | 4-Methylcatechol 2-sulfate,2TBDMS,isomer #1 | CC1=CC=C(O[Si](C)(C)C(C)(C)C)C(OS(=O)(=O)O[Si](C)(C)C(C)(C)C)=C1 | 2504.2 | Standard polar | 33892256 |
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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 - 4-Methylcatechol 2-sulfate 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 - 4-Methylcatechol 2-sulfate 10V, Positive-QTOF | splash10-0a4i-0290000000-febc7462a3b6c26a899d | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylcatechol 2-sulfate 20V, Positive-QTOF | splash10-0a70-1910000000-78c0d8c9b71420866484 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylcatechol 2-sulfate 40V, Positive-QTOF | splash10-014i-9000000000-dc0849964913e17d2384 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylcatechol 2-sulfate 10V, Negative-QTOF | splash10-0udi-0190000000-5ba618e90afea2522e9c | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylcatechol 2-sulfate 20V, Negative-QTOF | splash10-00di-0930000000-544c74fb22d3383c849b | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylcatechol 2-sulfate 40V, Negative-QTOF | splash10-00e9-7900000000-745c25211afb20b1449d | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylcatechol 2-sulfate 10V, Positive-QTOF | splash10-0a4i-0590000000-6907ee794f2445aa2b89 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylcatechol 2-sulfate 20V, Positive-QTOF | splash10-0a6r-5900000000-9e5bc3d3c44c3af6953a | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylcatechol 2-sulfate 40V, Positive-QTOF | splash10-0aor-8900000000-29e30ff2dd9cf7809466 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylcatechol 2-sulfate 10V, Negative-QTOF | splash10-0udi-0090000000-ca2df71642be8b8709e3 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylcatechol 2-sulfate 20V, Negative-QTOF | splash10-0f6t-9060000000-930997b4286cd7297d42 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylcatechol 2-sulfate 40V, Negative-QTOF | splash10-00l2-9100000000-f11ee7ff2a6306649e4c | 2021-09-23 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum |
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| General References | - Elshenawy S, Pinney SE, Stuart T, Doulias PT, Zura G, Parry S, Elovitz MA, Bennett MJ, Bansal A, Strauss JF 3rd, Ischiropoulos H, Simmons RA: The Metabolomic Signature of the Placenta in Spontaneous Preterm Birth. Int J Mol Sci. 2020 Feb 4;21(3). pii: ijms21031043. doi: 10.3390/ijms21031043. [PubMed:32033212 ]
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