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 15:12:26 UTC |
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Update Date | 2023-02-21 17:16:30 UTC |
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HMDB ID | HMDB0003011 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | O-Acetylserine |
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Description | O-Acetylserine is an α-amino acid with the chemical formula HO2CCH(NH2)CH2OC(O)CH3. It is an intermediate in the biosynthesis of the common amino acid cysteine in bacteria and plants. O-Acetylserine is biosynthesized by acetylation of the serine by the enzyme serine transacetylase. The enzyme O-acetylserine (thiol)-lyase, using sulfide sources, converts this ester into cysteine, releasing acetate. O-Acetylserine belongs to the class of organic compounds known as l-alpha-amino acids. These are alpha amino acids which have the L-configuration of the alpha-carbon atom. O-Acetylserine (OASS) is an acylated amino acid derivative. O-Acetylserine exists in all living species, ranging from bacteria to humans. Outside of the human body, O-Acetylserine has been detected, but not quantified in several different foods, such as okra, vaccinium (blueberry, cranberry, huckleberry), rapes, sparkleberries, and lingonberries. This could make O-acetylserine a potential biomarker for the consumption of these foods. |
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Structure | InChI=1S/C5H9NO4/c1-3(7)10-2-4(6)5(8)9/h4H,2,6H2,1H3,(H,8,9)/t4-/m0/s1 |
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Synonyms | Value | Source |
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L-Serine, acetate (ester) | ChEBI | O3-Acetyl-L-serine | ChEBI | L-Serine, acetic acid (ester) | Generator | O-Acetyl-L-serine | HMDB | O-Acetyl-serine | HMDB | O-Acetylserine hydrobromide, (D)-isomer | HMDB | O-Acetylserine, (L)-isomer | HMDB | Serine acetate ester | HMDB | O-Acetylserine | MeSH |
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Chemical Formula | C5H9NO4 |
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Average Molecular Weight | 147.1293 |
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Monoisotopic Molecular Weight | 147.053157781 |
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IUPAC Name | (2S)-3-(acetyloxy)-2-aminopropanoic acid |
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Traditional Name | O-acetyl-L-serine |
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CAS Registry Number | 5147-00-2 |
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SMILES | CC(=O)OC[C@H](N)C(O)=O |
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InChI Identifier | InChI=1S/C5H9NO4/c1-3(7)10-2-4(6)5(8)9/h4H,2,6H2,1H3,(H,8,9)/t4-/m0/s1 |
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InChI Key | VZXPDPZARILFQX-BYPYZUCNSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as l-alpha-amino acids. These are alpha amino acids which have the L-configuration of the alpha-carbon atom. |
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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 | Amino acids, peptides, and analogues |
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Direct Parent | L-alpha-amino acids |
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Alternative Parents | |
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Substituents | - L-alpha-amino acid
- Dicarboxylic acid or derivatives
- Carboxylic acid ester
- Amino acid
- Carboxylic acid
- Hydrocarbon derivative
- Organopnictogen compound
- Primary amine
- Organooxygen compound
- Organonitrogen compound
- Primary aliphatic amine
- Organic oxygen compound
- Organic nitrogen compound
- Carbonyl group
- Amine
- Organic oxide
- 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 | |
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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 | Experimental Collision Cross Sections |
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Predicted Molecular Properties | |
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Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Kovats Retention IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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O-Acetylserine,1TMS,isomer #1 | CC(=O)OC[C@H](N)C(=O)O[Si](C)(C)C | 1281.9 | Semi standard non polar | 33892256 | O-Acetylserine,1TMS,isomer #2 | CC(=O)OC[C@H](N[Si](C)(C)C)C(=O)O | 1368.8 | Semi standard non polar | 33892256 | O-Acetylserine,2TMS,isomer #1 | CC(=O)OC[C@H](N[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1418.8 | Semi standard non polar | 33892256 | O-Acetylserine,2TMS,isomer #1 | CC(=O)OC[C@H](N[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1444.1 | Standard non polar | 33892256 | O-Acetylserine,2TMS,isomer #1 | CC(=O)OC[C@H](N[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1796.7 | Standard polar | 33892256 | O-Acetylserine,2TMS,isomer #2 | CC(=O)OC[C@@H](C(=O)O)N([Si](C)(C)C)[Si](C)(C)C | 1575.0 | Semi standard non polar | 33892256 | O-Acetylserine,2TMS,isomer #2 | CC(=O)OC[C@@H](C(=O)O)N([Si](C)(C)C)[Si](C)(C)C | 1501.4 | Standard non polar | 33892256 | O-Acetylserine,2TMS,isomer #2 | CC(=O)OC[C@@H](C(=O)O)N([Si](C)(C)C)[Si](C)(C)C | 1979.4 | Standard polar | 33892256 | O-Acetylserine,3TMS,isomer #1 | CC(=O)OC[C@@H](C(=O)O[Si](C)(C)C)N([Si](C)(C)C)[Si](C)(C)C | 1620.1 | Semi standard non polar | 33892256 | O-Acetylserine,3TMS,isomer #1 | CC(=O)OC[C@@H](C(=O)O[Si](C)(C)C)N([Si](C)(C)C)[Si](C)(C)C | 1550.2 | Standard non polar | 33892256 | O-Acetylserine,3TMS,isomer #1 | CC(=O)OC[C@@H](C(=O)O[Si](C)(C)C)N([Si](C)(C)C)[Si](C)(C)C | 1740.6 | Standard polar | 33892256 | O-Acetylserine,1TBDMS,isomer #1 | CC(=O)OC[C@H](N)C(=O)O[Si](C)(C)C(C)(C)C | 1507.0 | Semi standard non polar | 33892256 | O-Acetylserine,1TBDMS,isomer #2 | CC(=O)OC[C@H](N[Si](C)(C)C(C)(C)C)C(=O)O | 1596.5 | Semi standard non polar | 33892256 | O-Acetylserine,2TBDMS,isomer #1 | CC(=O)OC[C@H](N[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 1831.3 | Semi standard non polar | 33892256 | O-Acetylserine,2TBDMS,isomer #1 | CC(=O)OC[C@H](N[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 1865.0 | Standard non polar | 33892256 | O-Acetylserine,2TBDMS,isomer #1 | CC(=O)OC[C@H](N[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 2038.2 | Standard polar | 33892256 | O-Acetylserine,2TBDMS,isomer #2 | CC(=O)OC[C@@H](C(=O)O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 1985.8 | Semi standard non polar | 33892256 | O-Acetylserine,2TBDMS,isomer #2 | CC(=O)OC[C@@H](C(=O)O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 1924.8 | Standard non polar | 33892256 | O-Acetylserine,2TBDMS,isomer #2 | CC(=O)OC[C@@H](C(=O)O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2119.2 | Standard polar | 33892256 | O-Acetylserine,3TBDMS,isomer #1 | CC(=O)OC[C@@H](C(=O)O[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2249.6 | Semi standard non polar | 33892256 | O-Acetylserine,3TBDMS,isomer #1 | CC(=O)OC[C@@H](C(=O)O[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2178.0 | Standard non polar | 33892256 | O-Acetylserine,3TBDMS,isomer #1 | CC(=O)OC[C@@H](C(=O)O[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2113.3 | Standard polar | 33892256 |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Experimental GC-MS | GC-MS Spectrum - O-Acetylserine GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (2 TMS) | splash10-01c0-0900000000-cbac2ae436dcca0d0251 | 2014-06-16 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - O-Acetylserine GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (2 TMS) | splash10-01c0-0900000000-7c5ef6cc55e1a01984af | 2014-06-16 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - O-Acetylserine GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (2 TMS) | splash10-00di-6900000000-f2863fb0291664c5ca21 | 2014-06-16 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - O-Acetylserine GC-MS (2 TMS) | splash10-00yi-0910000000-4eb5131c64279fbabbfb | 2014-06-16 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - O-Acetylserine GC-EI-TOF (Non-derivatized) | splash10-01c0-0900000000-cbac2ae436dcca0d0251 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - O-Acetylserine GC-EI-TOF (Non-derivatized) | splash10-01c0-0900000000-7c5ef6cc55e1a01984af | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - O-Acetylserine GC-EI-TOF (Non-derivatized) | splash10-00di-6900000000-f2863fb0291664c5ca21 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - O-Acetylserine GC-MS (Non-derivatized) | splash10-00yi-0910000000-4eb5131c64279fbabbfb | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - O-Acetylserine GC-MS (Non-derivatized) - 70eV, Positive | splash10-0006-9000000000-1a24fb3faa274e72fcc5 | 2016-09-22 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - O-Acetylserine GC-MS (1 TMS) - 70eV, Positive | splash10-006x-9300000000-048d27b5feab5a974f8d | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - O-Acetylserine GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Experimental LC-MS/MS | LC-MS/MS Spectrum - O-Acetylserine LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Positive-QTOF | splash10-052r-9700000000-798191f65808f670b0b8 | 2012-08-31 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - O-Acetylserine LC-ESI-QTOF , positive-QTOF | splash10-052r-9700000000-798191f65808f670b0b8 | 2017-09-14 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - O-Acetylserine LC-ESI-QTOF 35V, negative-QTOF | splash10-0ai0-9000000000-48b5a588a0a890044838 | 2020-07-21 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - O-Acetylserine 35V, Negative-QTOF | splash10-00di-9400000000-6ea6ba6b54ea90c56416 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - O-Acetylserine 10V, Negative-QTOF | splash10-05gj-9400000000-32253d09352cdfb8c318 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - O-Acetylserine 35V, Positive-QTOF | splash10-022l-9000000000-155f852f94fd442482f2 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - O-Acetylserine 40V, Positive-QTOF | splash10-0006-9000000000-e88b0e868a77f604b59c | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - O-Acetylserine 20V, Negative-QTOF | splash10-0089-9100000000-c7a43c74f2dde018ff1b | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - O-Acetylserine 35V, Negative-QTOF | splash10-00dj-9600000000-304c64ed85255dae12e8 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - O-Acetylserine 10V, Positive-QTOF | splash10-0btl-9400000000-7aa1b76f2e2dc6086311 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - O-Acetylserine 20V, Positive-QTOF | splash10-01ox-9000000000-fd8ce6d36426fce8d343 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - O-Acetylserine 40V, Negative-QTOF | splash10-01bc-9000000000-abc90d9cacd4b889cd96 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - O-Acetylserine 35V, Positive-QTOF | splash10-0002-2900000000-d04884f0db647a14fc8d | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - O-Acetylserine 35V, Positive-QTOF | splash10-052r-8900000000-c8515198104000e95777 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - O-Acetylserine 35V, Negative-QTOF | splash10-0002-4900000000-1942c426e3cf9c8b41c6 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - O-Acetylserine 35V, Negative-QTOF | splash10-00di-9400000000-8d3a49712627498e2c9b | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - O-Acetylserine 35V, Positive-QTOF | splash10-052r-9700000000-cf8d37dfdbdee7d76628 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - O-Acetylserine 35V, Positive-QTOF | splash10-052r-9700000000-32279928e0b151d0e1da | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - O-Acetylserine 35V, Negative-QTOF | splash10-0002-6900000000-cb1c33a71a73963cf0c1 | 2021-09-20 | HMDB team, MONA | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - O-Acetylserine 10V, Positive-QTOF | splash10-0uea-3900000000-ef46289d46aa69d40d48 | 2016-09-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - O-Acetylserine 20V, Positive-QTOF | splash10-0udr-9700000000-221b830dc83fdf079527 | 2016-09-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - O-Acetylserine 40V, Positive-QTOF | splash10-0006-9000000000-52a79cff992a3a467f06 | 2016-09-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - O-Acetylserine 10V, Negative-QTOF | splash10-0002-6900000000-4e0de865dfcc2446fe14 | 2016-09-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - O-Acetylserine 20V, Negative-QTOF | splash10-0a4i-9300000000-5a3f4b66b56fbaca505c | 2016-09-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - O-Acetylserine 40V, Negative-QTOF | splash10-0a4l-9000000000-123b2507eee8f6a9f064 | 2016-09-12 | Wishart Lab | View Spectrum |
NMR SpectraSpectrum 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 SpectraSpectrum 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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General References | - Sreekumar A, Poisson LM, Rajendiran TM, Khan AP, Cao Q, Yu J, Laxman B, Mehra R, Lonigro RJ, Li Y, Nyati MK, Ahsan A, Kalyana-Sundaram S, Han B, Cao X, Byun J, Omenn GS, Ghosh D, Pennathur S, Alexander DC, Berger A, Shuster JR, Wei JT, Varambally S, Beecher C, Chinnaiyan AM: Metabolomic profiles delineate potential role for sarcosine in prostate cancer progression. Nature. 2009 Feb 12;457(7231):910-4. doi: 10.1038/nature07762. [PubMed:19212411 ]
- Sugahara K, Zhang J, Kodama H: Liquid chromatographic-mass spectrometric analysis of N-acetylamino acids in human urine. J Chromatogr B Biomed Appl. 1994 Jul 1;657(1):15-21. [PubMed:7952062 ]
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