Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2012-09-13 11:49:18 UTC |
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Update Date | 2023-02-21 17:29:04 UTC |
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HMDB ID | HMDB0041945 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | N-Ethylglycine |
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Description | N-Ethylglycine, also known as EG, belongs to the family of compounds known as alpha amino acids and derivatives. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon). N-ethylglyicne is a known metabolite of the anesthesia drug lidocaine (PMID: 25932687 ). N-ethylglyicne is also an endogenously produced metabolite and appears in normal subjects’ urine in small amounts, but its presence is significantly higher in patients with metastatic bone disease (PMID: 16962088 ). Research has shown that it is lidocaine’s metabolites, n-ethylglycine and monoethylglycinexylidide inhibit GlyT1-mediated uptake of glycine. N-ethylglycine acts as a substrate for the glycine transporter GlyT1 (PMID: 22133759 , 25932687 ). |
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Structure | InChI=1S/C4H9NO2/c1-2-5-3-4(6)7/h5H,2-3H2,1H3,(H,6,7) |
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Synonyms | Value | Source |
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EtGly | ChEBI | 2-Ethylaminoacetic acid | HMDB |
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Chemical Formula | C4H9NO2 |
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Average Molecular Weight | 103.1198 |
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Monoisotopic Molecular Weight | 103.063328537 |
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IUPAC Name | 2-(ethylamino)acetic acid |
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Traditional Name | N-ethylglycine |
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CAS Registry Number | 627-01-0 |
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SMILES | CCNCC(O)=O |
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InChI Identifier | InChI=1S/C4H9NO2/c1-2-5-3-4(6)7/h5H,2-3H2,1H3,(H,6,7) |
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InChI Key | YPIGGYHFMKJNKV-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as alpha amino acids. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon). |
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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 | Alpha amino acids |
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Alternative Parents | |
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Substituents | - Alpha-amino acid
- Amino acid
- Carboxylic acid
- Secondary aliphatic amine
- Monocarboxylic acid or derivatives
- Secondary amine
- Organic nitrogen compound
- Hydrocarbon derivative
- Organooxygen compound
- Organonitrogen compound
- Organic oxide
- Organopnictogen compound
- Organic oxygen compound
- Carbonyl group
- Amine
- 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 | 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 UnderivatizedChromatographic 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. | 0.83 minutes | 32390414 | Predicted by Siyang on May 30, 2022 | 8.5898 minutes | 33406817 | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 7.05 minutes | 32390414 | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 325.5 seconds | 40023050 | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 495.6 seconds | 40023050 | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 321.5 seconds | 40023050 | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 58.8 seconds | 40023050 | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 205.2 seconds | 40023050 | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 59.9 seconds | 40023050 | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 272.9 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 | 236.3 seconds | 40023050 | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 704.2 seconds | 40023050 | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 565.4 seconds | 40023050 | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 42.5 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 | 669.2 seconds | 40023050 | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 199.8 seconds | 40023050 | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 246.9 seconds | 40023050 | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 597.7 seconds | 40023050 | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 423.9 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 | 268.1 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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N-Ethylglycine,1TMS,isomer #1 | CCNCC(=O)O[Si](C)(C)C | 1024.8 | Semi standard non polar | 33892256 | N-Ethylglycine,1TMS,isomer #2 | CCN(CC(=O)O)[Si](C)(C)C | 1200.1 | Semi standard non polar | 33892256 | N-Ethylglycine,2TMS,isomer #1 | CCN(CC(=O)O[Si](C)(C)C)[Si](C)(C)C | 1241.5 | Semi standard non polar | 33892256 | N-Ethylglycine,2TMS,isomer #1 | CCN(CC(=O)O[Si](C)(C)C)[Si](C)(C)C | 1219.7 | Standard non polar | 33892256 | N-Ethylglycine,1TBDMS,isomer #1 | CCNCC(=O)O[Si](C)(C)C(C)(C)C | 1258.3 | Semi standard non polar | 33892256 | N-Ethylglycine,1TBDMS,isomer #2 | CCN(CC(=O)O)[Si](C)(C)C(C)(C)C | 1425.8 | Semi standard non polar | 33892256 | N-Ethylglycine,2TBDMS,isomer #1 | CCN(CC(=O)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 1686.2 | Semi standard non polar | 33892256 | N-Ethylglycine,2TBDMS,isomer #1 | CCN(CC(=O)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 1641.1 | Standard non 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 - N-Ethylglycine GC-EI-TOF (Non-derivatized) | splash10-008a-0910000000-db6dc229f7ca12407db5 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - N-Ethylglycine GC-EI-TOF (Non-derivatized) | splash10-001i-0900000000-f9f61c44b73aa9770901 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - N-Ethylglycine GC-EI-TOF (Non-derivatized) | splash10-008a-0910000000-db6dc229f7ca12407db5 | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - N-Ethylglycine GC-EI-TOF (Non-derivatized) | splash10-001i-0900000000-f9f61c44b73aa9770901 | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - N-Ethylglycine GC-MS (Non-derivatized) - 70eV, Positive | splash10-0a4l-9000000000-cb0320b1cbc01c10a830 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - N-Ethylglycine GC-MS (1 TMS) - 70eV, Positive | splash10-0a4i-9100000000-fb5c379e456a390a144d | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - N-Ethylglycine GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - N-Ethylglycine 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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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Ethylglycine 10V, Positive-QTOF | splash10-0zfr-9700000000-d390c9cee5c2046e400d | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Ethylglycine 20V, Positive-QTOF | splash10-0a4i-9100000000-d8102bae4c29ac62b12a | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Ethylglycine 40V, Positive-QTOF | splash10-0a6u-9000000000-e0cddad6a53d4b2b97d7 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Ethylglycine 10V, Negative-QTOF | splash10-0udi-3900000000-fd3c7dd4afd6e6d27609 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Ethylglycine 20V, Negative-QTOF | splash10-0udi-6900000000-08351f25a42addb8e6bb | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Ethylglycine 40V, Negative-QTOF | splash10-0abc-9000000000-21da41b0e896a34f7538 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Ethylglycine 10V, Positive-QTOF | splash10-0udi-7900000000-b440649bfd24bee54888 | 2021-09-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Ethylglycine 20V, Positive-QTOF | splash10-0a4i-9000000000-9de545e1bbd717216162 | 2021-09-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Ethylglycine 40V, Positive-QTOF | splash10-0a4i-9000000000-214368c7b616c9196bd4 | 2021-09-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Ethylglycine 10V, Negative-QTOF | splash10-0udi-1900000000-9a46b26bf3138de0b565 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Ethylglycine 20V, Negative-QTOF | splash10-001i-9000000000-1785c2eff225a46f27cb | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Ethylglycine 40V, Negative-QTOF | splash10-0006-9000000000-0c602ba2e23e7a22f3d7 | 2021-09-25 | Wishart Lab | View Spectrum |
NMR SpectraSpectrum Type | Description | Deposition Date | Source | View |
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Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-24 | 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]-) | 2023-02-04 | 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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General References | - Tsuruta Y, Matsumoto M, Inoue H, Munemura S, Ishizu T, Yamano S, Iguchi H: Identification of N-ethylglycine in urine of cancer patients with metastatic bone disease. Clin Chim Acta. 2007 Feb;376(1-2):226-8. Epub 2006 Jul 28. [PubMed:16962088 ]
- Werdehausen R, Mittnacht S, Bee LA, Minett MS, Armbruster A, Bauer I, Wood JN, Hermanns H, Eulenburg V: The lidocaine metabolite N-ethylglycine has antinociceptive effects in experimental inflammatory and neuropathic pain. Pain. 2015 Sep;156(9):1647-59. doi: 10.1097/j.pain.0000000000000206. [PubMed:25932687 ]
- Werdehausen R, Kremer D, Brandenburger T, Schlosser L, Jadasz J, Kury P, Bauer I, Aragon C, Eulenburg V, Hermanns H: Lidocaine metabolites inhibit glycine transporter 1: a novel mechanism for the analgesic action of systemic lidocaine? Anesthesiology. 2012 Jan;116(1):147-58. doi: 10.1097/ALN.0b013e31823cf233. [PubMed:22133759 ]
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