| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2021-09-10 23:31:37 UTC |
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| Update Date | 2021-09-26 22:55:38 UTC |
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| HMDB ID | HMDB0246509 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | 4-Methylethcathinone |
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| Description | 2-(ethylamino)-1-(4-methylphenyl)propan-1-one belongs to the class of organic compounds known as alkyl-phenylketones. These are aromatic compounds containing a ketone substituted by one alkyl group, and a phenyl group. Based on a literature review very few articles have been published on 2-(ethylamino)-1-(4-methylphenyl)propan-1-one. This compound has been identified in human blood as reported by (PMID: 31557052 ). 4-methylethcathinone is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically 4-Methylethcathinone is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources. |
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| Structure | CCNC(C)C(=O)C1=CC=C(C)C=C1 InChI=1S/C12H17NO/c1-4-13-10(3)12(14)11-7-5-9(2)6-8-11/h5-8,10,13H,4H2,1-3H3 |
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| Synonyms | | Value | Source |
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| 4-MEC compound | MeSH | | 4'-Methyl-N-ethylmethcathinone | MeSH | | 4-Methyl-N-ethyl-cathinone | MeSH |
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| Chemical Formula | C12H17NO |
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| Average Molecular Weight | 191.274 |
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| Monoisotopic Molecular Weight | 191.131014171 |
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| IUPAC Name | 2-(ethylamino)-1-(4-methylphenyl)propan-1-one |
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| Traditional Name | 4-methylethcathinone |
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| CAS Registry Number | Not Available |
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| SMILES | CCNC(C)C(=O)C1=CC=C(C)C=C1 |
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| InChI Identifier | InChI=1S/C12H17NO/c1-4-13-10(3)12(14)11-7-5-9(2)6-8-11/h5-8,10,13H,4H2,1-3H3 |
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| InChI Key | ZOXZWYWOECCBSH-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as alkyl-phenylketones. These are aromatic compounds containing a ketone substituted by one alkyl group, and a phenyl group. |
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| Kingdom | Organic compounds |
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| Super Class | Organic oxygen compounds |
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| Class | Organooxygen compounds |
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| Sub Class | Carbonyl compounds |
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| Direct Parent | Alkyl-phenylketones |
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| Alternative Parents | |
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| Substituents | - Alkyl-phenylketone
- Phenylpropane
- Benzoyl
- Aryl alkyl ketone
- Toluene
- Monocyclic benzene moiety
- Benzenoid
- Alpha-aminoketone
- Secondary aliphatic amine
- Secondary amine
- Organonitrogen compound
- Organic nitrogen compound
- Organic oxide
- Organopnictogen compound
- Hydrocarbon derivative
- Amine
- Aromatic homomonocyclic compound
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| Molecular Framework | Aromatic homomonocyclic compounds |
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| External Descriptors | Not Available |
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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 Underivatized| Chromatographic Method | Retention Time | Reference |
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| Predicted by Siyang on May 30, 2022 | 10.7082 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.53 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1320.4 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 279.7 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 138.4 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 170.4 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 82.0 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 311.3 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 | 361.9 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 108.8 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 833.5 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 377.3 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 | 965.6 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 225.3 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 279.2 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 301.3 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 207.7 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 | 40.4 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| 4-Methylethcathinone,1TMS,isomer #1 | CCN(C(C)C(=O)C1=CC=C(C)C=C1)[Si](C)(C)C | 1635.0 | Semi standard non polar | 33892256 | | 4-Methylethcathinone,1TMS,isomer #1 | CCN(C(C)C(=O)C1=CC=C(C)C=C1)[Si](C)(C)C | 1780.2 | Standard non polar | 33892256 | | 4-Methylethcathinone,1TMS,isomer #1 | CCN(C(C)C(=O)C1=CC=C(C)C=C1)[Si](C)(C)C | 1969.8 | Standard polar | 33892256 | | 4-Methylethcathinone,1TBDMS,isomer #1 | CCN(C(C)C(=O)C1=CC=C(C)C=C1)[Si](C)(C)C(C)(C)C | 1923.5 | Semi standard non polar | 33892256 | | 4-Methylethcathinone,1TBDMS,isomer #1 | CCN(C(C)C(=O)C1=CC=C(C)C=C1)[Si](C)(C)C(C)(C)C | 1967.7 | Standard non polar | 33892256 | | 4-Methylethcathinone,1TBDMS,isomer #1 | CCN(C(C)C(=O)C1=CC=C(C)C=C1)[Si](C)(C)C(C)(C)C | 2103.5 | 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 - 4-Methylethcathinone GC-MS (Non-derivatized) - 70eV, Positive | splash10-00xr-9600000000-6f3992e239c219dc7324 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 4-Methylethcathinone 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 - 4-Methylethcathinone 10V, Positive-QTOF | splash10-0006-1900000000-46bcc21a2b927662ab46 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylethcathinone 20V, Positive-QTOF | splash10-0006-6900000000-5d682caae8725c8844d3 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylethcathinone 40V, Positive-QTOF | splash10-002f-9100000000-439986c08f51fde33f7e | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylethcathinone 10V, Negative-QTOF | splash10-0006-0900000000-aeb738829294457dc429 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylethcathinone 20V, Negative-QTOF | splash10-0006-4900000000-73aabfbce81fb9173baf | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylethcathinone 40V, Negative-QTOF | splash10-0006-9500000000-e239a5a1ecaf92321979 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylethcathinone 10V, Positive-QTOF | splash10-00dl-0900000000-025ecbf8152a103a4520 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylethcathinone 20V, Positive-QTOF | splash10-00dj-1900000000-6cfda08ca2472bb4e60e | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylethcathinone 40V, Positive-QTOF | splash10-0006-7900000000-4931c2509fd9e33a653d | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylethcathinone 10V, Negative-QTOF | splash10-0006-0900000000-03aee7c95014cce4ba9a | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylethcathinone 20V, Negative-QTOF | splash10-0007-2900000000-d54346e6b901f7bee589 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4-Methylethcathinone 40V, Negative-QTOF | splash10-0006-9300000000-bd1322848b71827a01cf | 2021-10-12 | Wishart Lab | View Spectrum |
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