| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2012-09-06 15:16:50 UTC |
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| Update Date | 2023-02-21 17:18:15 UTC |
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| HMDB ID | HMDB0014691 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Acetohydroxamic Acid |
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| Description | Acetohydroxamic Acid, also known as acethydroxamsaeure or lithostat, belongs to the class of organic compounds known as acetohydroxamic acids. These are organic compounds that contain a hydroxamic acid group carrying a methyl group attached to its carbon center. Acetohydroxamic Acid is a drug which is used, in addition to antibiotics or medical procedures, to treat chronic urea-splitting urinary infections. Acetohydroxamic Acid is an extremely weak basic (essentially neutral) compound (based on its pKa). |
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| Structure | InChI=1S/C2H5NO2/c1-2(4)3-5/h5H,1H3,(H,3,4) |
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| Synonyms | | Value | Source |
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| Acethydroxamsaeure | ChEBI | | Acethydroxamsaure | ChEBI | | Acetic acid, oxime | ChEBI | | Acetylhydroxamic acid | ChEBI | | Acide acetohydroxamique | ChEBI | | Acido acetohidroxamico | ChEBI | | Acidum acetohydroxamicum | ChEBI | | AHA | ChEBI | | Cetohyroxamic acid | ChEBI | | Lithostat | ChEBI | | Methylhydroxamic acid | ChEBI | | N-Acetyl hydroxyacetamide | ChEBI | | N-Acetylhydroxylamine | ChEBI | | N-Hydroxyacetamide | ChEBI | | Acetate, oxime | Generator | | Acetylhydroxamate | Generator | | Cetohyroxamate | Generator | | Methylhydroxamate | Generator | | Acetohydroxamate | Generator | | Acetohydroximic acid | HMDB | | Acetyl hydroxyamino | HMDB | | Mission brand OF acetohydroxamic acid | HMDB | | N-Hydroxyacetamidine | HMDB | | Robert brand OF acetohydroxamic acid | HMDB | | Uronefrex | HMDB |
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| Chemical Formula | C2H5NO2 |
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| Average Molecular Weight | 75.0666 |
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| Monoisotopic Molecular Weight | 75.032028409 |
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| IUPAC Name | N-hydroxyacetamide |
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| Traditional Name | acetohydroxamic acid |
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| CAS Registry Number | 546-88-3 |
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| SMILES | CC(=O)NO |
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| InChI Identifier | InChI=1S/C2H5NO2/c1-2(4)3-5/h5H,1H3,(H,3,4) |
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| InChI Key | RRUDCFGSUDOHDG-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as acetohydroxamic acids. These are organic compounds that contain a hydroxamic acid group carrying a methyl group attached to its carbon center. |
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| Kingdom | Organic compounds |
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| Super Class | Organic acids and derivatives |
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| Class | Carboxylic acids and derivatives |
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| Sub Class | Carboxylic acid derivatives |
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| Direct Parent | Acetohydroxamic acids |
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| Alternative Parents | |
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| Substituents | - Acetohydroxamic acid
- Acetamide
- Organic nitrogen compound
- Organic oxygen compound
- Organopnictogen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Organonitrogen compound
- Carbonyl group
- Aliphatic 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 | 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 | Solid |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | 90.5 °C | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | 509 g/L | Not Available | | LogP | -0.7 | 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. | 0.76 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 9.1051 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.84 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 153.2 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 981.9 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 367.8 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 106.3 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 264.9 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 77.0 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 281.3 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 | 363.9 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 272.1 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 639.8 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 141.4 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 | 856.9 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 231.7 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 275.2 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 646.7 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 277.8 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 | 244.4 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Acetohydroxamic Acid,1TMS,isomer #1 | CC(=O)N(O)[Si](C)(C)C | 967.6 | Semi standard non polar | 33892256 | | Acetohydroxamic Acid,1TMS,isomer #1 | CC(=O)N(O)[Si](C)(C)C | 973.2 | Standard non polar | 33892256 | | Acetohydroxamic Acid,1TMS,isomer #1 | CC(=O)N(O)[Si](C)(C)C | 1407.9 | Standard polar | 33892256 | | Acetohydroxamic Acid,1TBDMS,isomer #1 | CC(=O)N(O)[Si](C)(C)C(C)(C)C | 1170.9 | Semi standard non polar | 33892256 | | Acetohydroxamic Acid,1TBDMS,isomer #1 | CC(=O)N(O)[Si](C)(C)C(C)(C)C | 1143.9 | Standard non polar | 33892256 | | Acetohydroxamic Acid,1TBDMS,isomer #1 | CC(=O)N(O)[Si](C)(C)C(C)(C)C | 1501.9 | 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 - Acetohydroxamic Acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-0006-9000000000-09c5ca2b46a7bf5a4209 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Acetohydroxamic 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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| Experimental LC-MS/MS | LC-MS/MS Spectrum - Acetohydroxamic Acid 35V, Positive-QTOF | splash10-0006-9000000000-0a13bea96f153cf93e47 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acetohydroxamic Acid 10V, Positive-QTOF | splash10-004i-9000000000-384a9326901e6005b71d | 2016-08-02 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acetohydroxamic Acid 20V, Positive-QTOF | splash10-056r-9000000000-7336fad23ac851740fc3 | 2016-08-02 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acetohydroxamic Acid 40V, Positive-QTOF | splash10-0a4i-9000000000-0400282accbe476c1f6b | 2016-08-02 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acetohydroxamic Acid 10V, Negative-QTOF | splash10-00di-9000000000-019e675cb517b6e5664b | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acetohydroxamic Acid 20V, Negative-QTOF | splash10-00di-9000000000-f0f196a2ff31d0228eb2 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acetohydroxamic Acid 40V, Negative-QTOF | splash10-0a4i-9000000000-03a2ee31082bb56150e6 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acetohydroxamic Acid 10V, Positive-QTOF | splash10-004i-9000000000-a0026da01906c1939ddf | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acetohydroxamic Acid 20V, Positive-QTOF | splash10-054o-9000000000-f098d99f5362cceeac18 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acetohydroxamic Acid 40V, Positive-QTOF | splash10-0006-9000000000-87bbaed151efac084591 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acetohydroxamic Acid 10V, Negative-QTOF | splash10-00di-9000000000-e21745e55a3af36629b3 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acetohydroxamic Acid 20V, Negative-QTOF | splash10-00di-9000000000-c37974c9789a3c6c2397 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acetohydroxamic Acid 40V, Negative-QTOF | splash10-0006-9000000000-be5da4977615b8cd7201 | 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) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-29 | 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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