| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2013-06-18 18:42:50 UTC |
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| Update Date | 2023-02-21 17:30:09 UTC |
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| HMDB ID | HMDB0060679 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Glycinexylidide |
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| Description | Glycinexylidide, also known as GX, belongs to the class of organic compounds known as m-xylenes. These are aromatic compounds that contain a m-xylene moiety, which is a monocyclic benzene carrying exactly two methyl groups at the 1- and 3-positions. Lidocaine is used topically to relieve itching, burning and pain from skin inflammations, injected as a dental anesthetic or as a local anesthetic for minor surgery. Glycinexylidide is a metabolite of lidocaine. Glycinexylidide is a very strong basic compound (based on its pKa). In humans, glycinexylidide is involved in lidocaine (local anaesthetic) metabolism pathway. Lidocaine, Xylocaine, or lignocaine is a common local anesthetic and antiarrhythmic drug. |
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| Structure | InChI=1S/C10H14N2O/c1-7-4-3-5-8(2)10(7)12-9(13)6-11/h3-5H,6,11H2,1-2H3,(H,12,13) |
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| Synonyms | | Value | Source |
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| 2-Amino-2',6'-acetoxylidide | ChEBI | | 2-Amino-2',6'-dimethylacetoanilide | ChEBI | | 2-Amino-N-(2,6-dimethyl-phenyl)-acetamide | ChEBI | | Glycine xylidide | ChEBI | | Glycylxylidide | ChEBI | | GX | ChEBI | | N-(2,6-Dimethylphenyl)-2-aminoacetamide | ChEBI | | N-(2,6-Dimethylphenyl)glycinamide | ChEBI | | Glycinexylidide monohydrochloride | HMDB |
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| Chemical Formula | C10H14N2O |
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| Average Molecular Weight | 178.231 |
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| Monoisotopic Molecular Weight | 178.11061308 |
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| IUPAC Name | 2-amino-N-(2,6-dimethylphenyl)acetamide |
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| Traditional Name | glycinexylidide |
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| CAS Registry Number | Not Available |
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| SMILES | CC1=CC=CC(C)=C1NC(=O)CN |
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| InChI Identifier | InChI=1S/C10H14N2O/c1-7-4-3-5-8(2)10(7)12-9(13)6-11/h3-5H,6,11H2,1-2H3,(H,12,13) |
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| InChI Key | IXYVBZOSGGJWCW-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as m-xylenes. These are aromatic compounds that contain a m-xylene moiety, which is a monocyclic benzene carrying exactly two methyl groups at the 1- and 3-positions. |
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| Kingdom | Organic compounds |
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| Super Class | Benzenoids |
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| Class | Benzene and substituted derivatives |
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| Sub Class | Xylenes |
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| Direct Parent | m-Xylenes |
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| Alternative Parents | |
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| Substituents | - M-xylene
- Organic 1,3-dipolar compound
- Propargyl-type 1,3-dipolar organic compound
- Carboximidic acid derivative
- Carboximidic acid
- Organic nitrogen compound
- Organic oxygen compound
- Organopnictogen compound
- Hydrocarbon derivative
- Primary amine
- Organooxygen compound
- Organonitrogen compound
- Primary aliphatic amine
- Amine
- Aromatic homomonocyclic compound
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| Molecular Framework | Aromatic homomonocyclic 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 | 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. | 1.97 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 9.5501 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 4.92 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 830.5 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 272.0 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 108.5 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 168.6 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 49.4 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 270.1 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 | 347.8 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 392.0 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 710.2 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 239.0 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 | 740.6 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 206.7 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 242.9 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 397.8 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 389.3 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 | 213.3 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Glycinexylidide,1TMS,isomer #1 | CC1=CC=CC(C)=C1NC(=O)CN[Si](C)(C)C | 1828.4 | Semi standard non polar | 33892256 | | Glycinexylidide,1TMS,isomer #1 | CC1=CC=CC(C)=C1NC(=O)CN[Si](C)(C)C | 1740.3 | Standard non polar | 33892256 | | Glycinexylidide,1TMS,isomer #1 | CC1=CC=CC(C)=C1NC(=O)CN[Si](C)(C)C | 2437.9 | Standard polar | 33892256 | | Glycinexylidide,1TMS,isomer #2 | CC1=CC=CC(C)=C1N(C(=O)CN)[Si](C)(C)C | 1643.4 | Semi standard non polar | 33892256 | | Glycinexylidide,1TMS,isomer #2 | CC1=CC=CC(C)=C1N(C(=O)CN)[Si](C)(C)C | 1739.9 | Standard non polar | 33892256 | | Glycinexylidide,1TMS,isomer #2 | CC1=CC=CC(C)=C1N(C(=O)CN)[Si](C)(C)C | 2438.1 | Standard polar | 33892256 | | Glycinexylidide,2TMS,isomer #1 | CC1=CC=CC(C)=C1N(C(=O)CN[Si](C)(C)C)[Si](C)(C)C | 1747.8 | Semi standard non polar | 33892256 | | Glycinexylidide,2TMS,isomer #1 | CC1=CC=CC(C)=C1N(C(=O)CN[Si](C)(C)C)[Si](C)(C)C | 1822.7 | Standard non polar | 33892256 | | Glycinexylidide,2TMS,isomer #1 | CC1=CC=CC(C)=C1N(C(=O)CN[Si](C)(C)C)[Si](C)(C)C | 2078.4 | Standard polar | 33892256 | | Glycinexylidide,2TMS,isomer #2 | CC1=CC=CC(C)=C1NC(=O)CN([Si](C)(C)C)[Si](C)(C)C | 1984.3 | Semi standard non polar | 33892256 | | Glycinexylidide,2TMS,isomer #2 | CC1=CC=CC(C)=C1NC(=O)CN([Si](C)(C)C)[Si](C)(C)C | 1921.3 | Standard non polar | 33892256 | | Glycinexylidide,2TMS,isomer #2 | CC1=CC=CC(C)=C1NC(=O)CN([Si](C)(C)C)[Si](C)(C)C | 2336.7 | Standard polar | 33892256 | | Glycinexylidide,3TMS,isomer #1 | CC1=CC=CC(C)=C1N(C(=O)CN([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C | 1903.5 | Semi standard non polar | 33892256 | | Glycinexylidide,3TMS,isomer #1 | CC1=CC=CC(C)=C1N(C(=O)CN([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C | 1970.0 | Standard non polar | 33892256 | | Glycinexylidide,3TMS,isomer #1 | CC1=CC=CC(C)=C1N(C(=O)CN([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C | 2043.3 | Standard polar | 33892256 | | Glycinexylidide,1TBDMS,isomer #1 | CC1=CC=CC(C)=C1NC(=O)CN[Si](C)(C)C(C)(C)C | 2064.3 | Semi standard non polar | 33892256 | | Glycinexylidide,1TBDMS,isomer #1 | CC1=CC=CC(C)=C1NC(=O)CN[Si](C)(C)C(C)(C)C | 1964.2 | Standard non polar | 33892256 | | Glycinexylidide,1TBDMS,isomer #1 | CC1=CC=CC(C)=C1NC(=O)CN[Si](C)(C)C(C)(C)C | 2509.3 | Standard polar | 33892256 | | Glycinexylidide,1TBDMS,isomer #2 | CC1=CC=CC(C)=C1N(C(=O)CN)[Si](C)(C)C(C)(C)C | 1879.9 | Semi standard non polar | 33892256 | | Glycinexylidide,1TBDMS,isomer #2 | CC1=CC=CC(C)=C1N(C(=O)CN)[Si](C)(C)C(C)(C)C | 1929.1 | Standard non polar | 33892256 | | Glycinexylidide,1TBDMS,isomer #2 | CC1=CC=CC(C)=C1N(C(=O)CN)[Si](C)(C)C(C)(C)C | 2501.6 | Standard polar | 33892256 | | Glycinexylidide,2TBDMS,isomer #1 | CC1=CC=CC(C)=C1N(C(=O)CN[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2204.7 | Semi standard non polar | 33892256 | | Glycinexylidide,2TBDMS,isomer #1 | CC1=CC=CC(C)=C1N(C(=O)CN[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2230.1 | Standard non polar | 33892256 | | Glycinexylidide,2TBDMS,isomer #1 | CC1=CC=CC(C)=C1N(C(=O)CN[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2325.5 | Standard polar | 33892256 | | Glycinexylidide,2TBDMS,isomer #2 | CC1=CC=CC(C)=C1NC(=O)CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2422.2 | Semi standard non polar | 33892256 | | Glycinexylidide,2TBDMS,isomer #2 | CC1=CC=CC(C)=C1NC(=O)CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2288.2 | Standard non polar | 33892256 | | Glycinexylidide,2TBDMS,isomer #2 | CC1=CC=CC(C)=C1NC(=O)CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2490.5 | Standard polar | 33892256 | | Glycinexylidide,3TBDMS,isomer #1 | CC1=CC=CC(C)=C1N(C(=O)CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2590.0 | Semi standard non polar | 33892256 | | Glycinexylidide,3TBDMS,isomer #1 | CC1=CC=CC(C)=C1N(C(=O)CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2532.6 | Standard non polar | 33892256 | | Glycinexylidide,3TBDMS,isomer #1 | CC1=CC=CC(C)=C1N(C(=O)CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2399.4 | 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 - Glycinexylidide GC-MS (Non-derivatized) - 70eV, Positive | splash10-001i-9800000000-5805697b21d5e8be230a | 2017-09-20 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Glycinexylidide GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Glycinexylidide 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 - Glycinexylidide 10V, Positive-QTOF | splash10-004i-4900000000-f007d2e6587e7eb5f04c | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Glycinexylidide 20V, Positive-QTOF | splash10-053r-9500000000-b21f8610ff8b2bd68339 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Glycinexylidide 40V, Positive-QTOF | splash10-0a59-9400000000-30ac1821a4bfe83f47bf | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Glycinexylidide 10V, Negative-QTOF | splash10-004i-0900000000-361255e779c1e47f749c | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Glycinexylidide 20V, Negative-QTOF | splash10-00b9-0900000000-b3aa7081b0cca8883374 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Glycinexylidide 40V, Negative-QTOF | splash10-00di-2900000000-fec20460cbf1144235b2 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Glycinexylidide 10V, Positive-QTOF | splash10-05di-0900000000-334892eb981d32eece13 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Glycinexylidide 20V, Positive-QTOF | splash10-074i-0900000000-86c4e42bacae35b08ba2 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Glycinexylidide 40V, Positive-QTOF | splash10-0a4i-3900000000-f0327e19dfdbb241d355 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Glycinexylidide 10V, Negative-QTOF | splash10-00fr-0900000000-a9d398a953f9e0b363d3 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Glycinexylidide 20V, Negative-QTOF | splash10-00di-5900000000-40f955149c450c914052 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Glycinexylidide 40V, Negative-QTOF | splash10-0fdo-6900000000-fa246a6254dba94fcd99 | 2021-10-12 | 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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