| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2012-09-11 18:19:49 UTC |
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| Update Date | 2023-02-21 17:23:27 UTC |
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| HMDB ID | HMDB0033585 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Acesulfame |
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| Description | Acesulfame is a non-nutritive sweetener Acesulfame potassium is a calorie-free artificial sweetener, also known as Acesulfame K or Ace K (K being the symbol for potassium), and marketed under the trade names Sunett and Sweet One. In the European Union, it is known under the E number (additive code) E950. It was discovered accidentally in 1967 by German chemist Karl Clauss at Hoechst AG (now Nutrinova). In chemical structure, acesulfame potassium is the potassium salt of 6-methyl-1,2,3- oxathiazine-4(3H)-one 2,2-dioxide. It is a white crystalline powder with molecular formula C4H4KNO4S and a molecular weight of 201.24. |
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| Structure | InChI=1S/C4H5NO4S/c1-3-2-4(6)5-10(7,8)9-3/h2H,1H3,(H,5,6) |
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| Synonyms | | Value | Source |
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| Acesulfamo | ChEBI | | Acesulfamum | ChEBI | | Acesulphamo | Generator | | Acesulphamum | Generator | | Acesulphame | Generator | | 1,2,3-Oxathiazin-4(3H)-one, 6-methyl-, 2,2-dioxide | HMDB | | 3,4-dihydro-6-Methyl-1,2,3-oxathiazin-4-one 2,2-dioxide | HMDB | | 3,4-dihydro-6-Methyl-1,2,3-oxathiazin-4-one-2,2-dioxide | HMDB | | 6-Methyl-1,2,3-oxathiazin-4(3H)-ON 2,2-dioxid | HMDB | | 6-Methyl-1,2,3-oxathiazin-4(3H)-one 2,2-dioxide | HMDB | | 6-Methyl-1,2,3-oxathiazin-4(3H)-one 2,2-dioxide, 9ci | HMDB | | 6-Methyl-3,4-dihydro-1,2,3-oxathiazin-4-one 2,2-dioxide | HMDB | | Acetosulfam | HMDB, MeSH | | Acesulfame potassium | MeSH, HMDB | | Acetosulfame calcium | MeSH, HMDB | | Acesulfam-K | MeSH, HMDB | | Acesulfame K | MeSH, HMDB | | Acesulfame sodium | MeSH, HMDB | | Acetosulfam, potassium salt | MeSH, HMDB | | Acetosulfam, sodium salt | MeSH, HMDB | | Acesulfame calcium | MeSH, HMDB | | Acetosulfam potassium | MeSH, HMDB | | Acetosulfame | MeSH, HMDB |
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| Chemical Formula | C4H5NO4S |
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| Average Molecular Weight | 163.152 |
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| Monoisotopic Molecular Weight | 162.993928343 |
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| IUPAC Name | 6-methyl-3,4-dihydro-1,2λ⁶,3-oxathiazine-2,2,4-trione |
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| Traditional Name | acesulfame |
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| CAS Registry Number | 33665-90-6 |
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| SMILES | CC1=CC(=O)NS(=O)(=O)O1 |
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| InChI Identifier | InChI=1S/C4H5NO4S/c1-3-2-4(6)5-10(7,8)9-3/h2H,1H3,(H,5,6) |
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| InChI Key | YGCFIWIQZPHFLU-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as organic sulfuric acids and derivatives. These are organic compounds containing the sulfuric acid or a derivative thereof. |
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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 | Not Available |
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| Direct Parent | Organic sulfuric acids and derivatives |
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| Alternative Parents | |
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| Substituents | - Organic sulfuric acid or derivatives
- Oxacycle
- Azacycle
- Organoheterocyclic compound
- Carboxylic acid derivative
- Organic nitrogen compound
- Organic oxygen compound
- Organopnictogen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Organonitrogen compound
- Carbonyl group
- Aliphatic heteromonocyclic compound
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| Molecular Framework | Aliphatic heteromonocyclic 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 | Not Available |
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| Role | |
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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 | 123 - 123.5 °C | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | 910200 mg/L @ 25 °C (est) | The Good Scents Company Information System | | 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. | 3.28 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 11.8687 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.45 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1529.4 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 414.8 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 113.8 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 281.2 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 88.4 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 373.2 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 | 387.8 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 306.5 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 829.2 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 264.9 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 | 1200.7 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 264.2 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 343.0 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 734.9 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 263.9 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 | 242.9 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized |
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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 - Acesulfame GC-MS (Non-derivatized) - 70eV, Positive | splash10-01ox-9500000000-1a69f98b5529aabbd255 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Acesulfame 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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| Experimental LC-MS/MS | LC-MS/MS Spectrum - Acesulfame LC-ESI-ITFT , negative-QTOF | splash10-001i-9100000000-8c9a34894aa5b01ef632 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Acesulfame LC-ESI-ITFT , negative-QTOF | splash10-03di-1900000000-a117c423450aacd418fd | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Acesulfame LC-ESI-ITFT , negative-QTOF | splash10-03e9-6900000000-6032f8c7d16740c7f02c | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Acesulfame LC-ESI-ITFT , negative-QTOF | splash10-001i-9200000000-7bbf958f08a839c3500c | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Acesulfame LC-ESI-ITFT , negative-QTOF | splash10-001i-9000000000-3942c9bf77437a358fa3 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Acesulfame LC-ESI-ITFT , negative-QTOF | splash10-001i-9000000000-12c18fc5ccf31fcc3358 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Acesulfame LC-ESI-ITFT , negative-QTOF | splash10-003r-9000000000-302aa8112af2669ef24d | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Acesulfame LC-ESI-ITFT , negative-QTOF | splash10-03di-0900000000-507fa48f166fc3437668 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Acesulfame LC-ESI-ITFT , negative-QTOF | splash10-03e9-6900000000-1074ea14f77b7f3d6ca7 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Acesulfame LC-ESI-ITFT , negative-QTOF | splash10-001i-9100000000-e1c3b82243db7de28960 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Acesulfame LC-ESI-ITFT , negative-QTOF | splash10-001i-9000000000-b1747449b341b8994e84 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Acesulfame LC-ESI-ITFT , negative-QTOF | splash10-001i-9000000000-c50316f35fb17b270868 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Acesulfame LC-ESI-ITFT , negative-QTOF | splash10-003r-9000000000-f9137bddd7e58f357da5 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Acesulfame LC-ESI-ITFT , negative-QTOF | splash10-001i-9000000000-a1683592e58f45fea025 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Acesulfame 60V, Negative-QTOF | splash10-001i-9000000000-3942c9bf77437a358fa3 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Acesulfame 75V, Negative-QTOF | splash10-001i-9000000000-12c18fc5ccf31fcc3358 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Acesulfame 45V, Negative-QTOF | splash10-001i-9200000000-ffa5f42ff132988b26b4 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Acesulfame 30V, Negative-QTOF | splash10-03e9-6900000000-cc770eef8e5c74f0b274 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Acesulfame 75V, Negative-QTOF | splash10-001i-9000000000-9ea1c7ee419cd7e9339c | 2021-09-20 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acesulfame 10V, Positive-QTOF | splash10-03di-0900000000-666d816acbe519cfe2b4 | 2016-08-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acesulfame 20V, Positive-QTOF | splash10-0171-9200000000-e8a6d73912d910029be1 | 2016-08-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acesulfame 40V, Positive-QTOF | splash10-0006-9300000000-97a648067b13226566d0 | 2016-08-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acesulfame 10V, Negative-QTOF | splash10-03di-0900000000-35fada1e8a866778fb51 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acesulfame 20V, Negative-QTOF | splash10-03di-3900000000-2d9367a7d615f005a70b | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acesulfame 40V, Negative-QTOF | splash10-0006-9000000000-fd144afc5c05c6c4f5be | 2016-08-03 | 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 |
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]-) | 2023-02-04 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+) | 2023-02-04 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+) | 2023-02-04 | FELIX lab | View Spectrum |
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