| Record Information |
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| Version | 5.0 |
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| Status | Detected and Quantified |
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| Creation Date | 2006-08-13 13:57:36 UTC |
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| Update Date | 2023-02-21 17:16:57 UTC |
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| HMDB ID | HMDB0004194 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | N1-Methyl-4-pyridone-3-carboxamide |
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| Description | N1-Methyl-4-pyridone-3-carboxamide, also known as 5-aminocarbonyl-1-methyl-4(1H)-pyridone, belongs to the class of organic compounds known as nicotinamides. These are heterocyclic aromatic compounds containing a pyridine ring substituted at position 3 by a carboxamide group. NN1-Methyl-4-pyridone-3-carboxamide (4PY ) is a normal human metabolite (one of the end products of nicotinamide-adenine dinucleotide (NAD) degradation). N1-Methyl-4-pyridone-3-carboxamide is an extremely weak basic (essentially neutral) compound (based on its pKa). N1-methyl-4-pyridone-3-carboxamide can be biosynthesized from 1-methylnicotinamide; which is mediated by the enzyme aldehyde oxidase. In humans, N1-methyl-4-pyridone-3-carboxamide is involved in nicotinate and nicotinamide metabolism. N1-Methyl-4-pyridone-3-carboxamide is a potentially toxic compound. Uremic toxins tend to accumulate in the blood either through dietary excess or through poor filtration by the kidneys. As a uremic toxin, this compound can cause uremic syndrome. |
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| Structure | InChI=1S/C7H8N2O2/c1-9-3-2-6(10)5(4-9)7(8)11/h2-4H,1H3,(H2,8,11) |
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| Synonyms | | Value | Source |
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| 1,4-Dihydro-1-methyl-4-oxo-3-pyridinecarboxamide | ChEBI | | 1-Methyl-4-oxo-1,4-dihydro-3-pyridinecarboxamide | ChEBI | | 1-Methyl-4-pyridone-3-carboximide | ChEBI | | 1-Methyl-4-pyridone-5-carboxamide | ChEBI | | 3-(Aminocarbonyl)-1-methyl-4(1H)-pyridone | ChEBI | | 5-Aminocarbonyl-1-methyl-4(1H)-pyridone | ChEBI | | N'-methyl-4-pyridone-5-carboxamide | ChEBI | | N-Methyl-4-pyridone-5-carboxamide | ChEBI | | N1-Methyl-4-pyridone-5-carboxamide | ChEBI | | 1-Methyl-4-pyridone-3-carboxamide | HMDB |
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| Chemical Formula | C7H8N2O2 |
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| Average Molecular Weight | 152.1506 |
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| Monoisotopic Molecular Weight | 152.05857751 |
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| IUPAC Name | 1-methyl-4-oxo-1,4-dihydropyridine-3-carboxamide |
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| Traditional Name | 1-methyl-4-oxopyridine-3-carboxamide |
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| CAS Registry Number | 769-49-3 |
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| SMILES | CN1C=CC(=O)C(=C1)C(N)=O |
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| InChI Identifier | InChI=1S/C7H8N2O2/c1-9-3-2-6(10)5(4-9)7(8)11/h2-4H,1H3,(H2,8,11) |
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| InChI Key | KTLRWTOPTKGYQY-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as nicotinamides. These are heterocyclic aromatic compounds containing a pyridine ring substituted at position 3 by a carboxamide group. |
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| Kingdom | Organic compounds |
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| Super Class | Organoheterocyclic compounds |
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| Class | Pyridines and derivatives |
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| Sub Class | Pyridinecarboxylic acids and derivatives |
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| Direct Parent | Nicotinamides |
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| Alternative Parents | |
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| Substituents | - Nicotinamide
- Dihydropyridine
- Hydropyridine
- Vinylogous amide
- Heteroaromatic compound
- Carboxamide group
- Primary carboxylic acid amide
- Cyclic ketone
- Carboxylic acid derivative
- Azacycle
- Organooxygen compound
- Organonitrogen compound
- Organopnictogen compound
- Organic oxygen compound
- Organic nitrogen compound
- Organic oxide
- Hydrocarbon derivative
- Aromatic heteromonocyclic compound
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| Molecular Framework | Aromatic heteromonocyclic compounds |
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| External Descriptors | |
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| Ontology |
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| Physiological effect | |
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| Disposition | |
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| Process | |
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| Role | |
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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 | 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. | 2.28 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 8.5646 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.65 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 166.9 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 697.9 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 289.3 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 74.0 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 174.0 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 45.2 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 252.9 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 | 245.8 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 426.4 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 577.7 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 39.4 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 | 694.3 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 170.4 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 189.2 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 558.1 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 382.6 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 | 188.9 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| N1-Methyl-4-pyridone-3-carboxamide,1TMS,isomer #1 | CN1C=CC(=O)C(C(=O)N[Si](C)(C)C)=C1 | 1665.2 | Semi standard non polar | 33892256 | | N1-Methyl-4-pyridone-3-carboxamide,1TMS,isomer #1 | CN1C=CC(=O)C(C(=O)N[Si](C)(C)C)=C1 | 1815.1 | Standard non polar | 33892256 | | N1-Methyl-4-pyridone-3-carboxamide,1TMS,isomer #1 | CN1C=CC(=O)C(C(=O)N[Si](C)(C)C)=C1 | 2070.1 | Standard polar | 33892256 | | N1-Methyl-4-pyridone-3-carboxamide,2TMS,isomer #1 | CN1C=CC(=O)C(C(=O)N([Si](C)(C)C)[Si](C)(C)C)=C1 | 1716.2 | Semi standard non polar | 33892256 | | N1-Methyl-4-pyridone-3-carboxamide,2TMS,isomer #1 | CN1C=CC(=O)C(C(=O)N([Si](C)(C)C)[Si](C)(C)C)=C1 | 1847.3 | Standard non polar | 33892256 | | N1-Methyl-4-pyridone-3-carboxamide,2TMS,isomer #1 | CN1C=CC(=O)C(C(=O)N([Si](C)(C)C)[Si](C)(C)C)=C1 | 2009.1 | Standard polar | 33892256 | | N1-Methyl-4-pyridone-3-carboxamide,1TBDMS,isomer #1 | CN1C=CC(=O)C(C(=O)N[Si](C)(C)C(C)(C)C)=C1 | 1922.1 | Semi standard non polar | 33892256 | | N1-Methyl-4-pyridone-3-carboxamide,1TBDMS,isomer #1 | CN1C=CC(=O)C(C(=O)N[Si](C)(C)C(C)(C)C)=C1 | 2013.0 | Standard non polar | 33892256 | | N1-Methyl-4-pyridone-3-carboxamide,1TBDMS,isomer #1 | CN1C=CC(=O)C(C(=O)N[Si](C)(C)C(C)(C)C)=C1 | 2210.6 | Standard polar | 33892256 | | N1-Methyl-4-pyridone-3-carboxamide,2TBDMS,isomer #1 | CN1C=CC(=O)C(C(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)=C1 | 2202.4 | Semi standard non polar | 33892256 | | N1-Methyl-4-pyridone-3-carboxamide,2TBDMS,isomer #1 | CN1C=CC(=O)C(C(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)=C1 | 2236.1 | Standard non polar | 33892256 | | N1-Methyl-4-pyridone-3-carboxamide,2TBDMS,isomer #1 | CN1C=CC(=O)C(C(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)=C1 | 2209.4 | Standard polar | 33892256 |
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| General References | - Rutkowski B, Slominska E, Szolkiewicz M, Smolenski RT, Striley C, Rutkowski P, Swierczynski J: N-methyl-2-pyridone-5-carboxamide: a novel uremic toxin? Kidney Int Suppl. 2003 May;(84):S19-21. [PubMed:12694300 ]
- Duranton F, Cohen G, De Smet R, Rodriguez M, Jankowski J, Vanholder R, Argiles A: Normal and pathologic concentrations of uremic toxins. J Am Soc Nephrol. 2012 Jul;23(7):1258-70. doi: 10.1681/ASN.2011121175. Epub 2012 May 24. [PubMed:22626821 ]
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