| Record Information |
|---|
| Version | 5.0 |
|---|
| Status | Expected but not Quantified |
|---|
| Creation Date | 2013-06-18 18:41:54 UTC |
|---|
| Update Date | 2023-02-21 17:30:08 UTC |
|---|
| HMDB ID | HMDB0060665 |
|---|
| Secondary Accession Numbers | |
|---|
| Metabolite Identification |
|---|
| Common Name | Isonicotinic acid |
|---|
| Description | Isonicotinic acid, also known as 4-carboxypyridine or gamma-picolinic acid, belongs to the class of organic compounds known as pyridinecarboxylic acids. Pyridinecarboxylic acids are compounds containing a pyridine ring bearing a carboxylic acid group. Isonicotinic acid is a moderately basic compound (based on its pKa). Isonicotinic acid is an organic compound with a carboxyl group on a pyridine ring. The carboxyl group for isonicotinic acid is on the 4-position instead of the 3-position for nicotinic acid (Wikipedia ). It is an isomer of nicotinic acid. Isonicotinic acid is a metabolite of isoniazid. |
|---|
| Structure | InChI=1S/C6H5NO2/c8-6(9)5-1-3-7-4-2-5/h1-4H,(H,8,9) |
|---|
| Synonyms | | Value | Source |
|---|
| 4-Carboxypyridine | ChEBI | | 4-Pyridinecarboxylic acid | ChEBI | | gamma-Picolinic acid | ChEBI | | gamma-Pyridinecarboxylic acid | ChEBI | | p-Pyridinecarboxylic acid | ChEBI | | 4-Pyridinecarboxylate | Generator | | g-Picolinate | Generator | | g-Picolinic acid | Generator | | gamma-Picolinate | Generator | | Γ-picolinate | Generator | | Γ-picolinic acid | Generator | | g-Pyridinecarboxylate | Generator | | g-Pyridinecarboxylic acid | Generator | | gamma-Pyridinecarboxylate | Generator | | Γ-pyridinecarboxylate | Generator | | Γ-pyridinecarboxylic acid | Generator | | p-Pyridinecarboxylate | Generator | | Isonicotinate | Generator | | Acid, isonicotinic | HMDB | | Acids, isonicotinic | HMDB | | Isonicotinic acids | HMDB |
|
|---|
| Chemical Formula | C6H5NO2 |
|---|
| Average Molecular Weight | 123.1094 |
|---|
| Monoisotopic Molecular Weight | 123.032028409 |
|---|
| IUPAC Name | pyridine-4-carboxylic acid |
|---|
| Traditional Name | isonicotinic acid |
|---|
| CAS Registry Number | 55-22-1 |
|---|
| SMILES | OC(=O)C1=CC=NC=C1 |
|---|
| InChI Identifier | InChI=1S/C6H5NO2/c8-6(9)5-1-3-7-4-2-5/h1-4H,(H,8,9) |
|---|
| InChI Key | TWBYWOBDOCUKOW-UHFFFAOYSA-N |
|---|
| Chemical Taxonomy |
|---|
| Description | Belongs to the class of organic compounds known as pyridinecarboxylic acids. Pyridinecarboxylic acids are compounds containing a pyridine ring bearing a carboxylic acid group. |
|---|
| Kingdom | Organic compounds |
|---|
| Super Class | Organoheterocyclic compounds |
|---|
| Class | Pyridines and derivatives |
|---|
| Sub Class | Pyridinecarboxylic acids and derivatives |
|---|
| Direct Parent | Pyridinecarboxylic acids |
|---|
| Alternative Parents | |
|---|
| Substituents | - Pyridine carboxylic acid
- Heteroaromatic compound
- Azacycle
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Carboxylic acid derivative
- Organic nitrogen compound
- Organic oxygen compound
- Organopnictogen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Organonitrogen compound
- Aromatic heteromonocyclic compound
|
|---|
| Molecular Framework | Aromatic heteromonocyclic compounds |
|---|
| External Descriptors | |
|---|
| Ontology |
|---|
| Physiological effect | Not Available |
|---|
| Disposition | |
|---|
| Process | Not Available |
|---|
| Role | Not Available |
|---|
| Physical Properties |
|---|
| State | Not Available |
|---|
| Experimental Molecular Properties | | Property | Value | Reference |
|---|
| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | Not Available | Not Available |
|
|---|
| Experimental Chromatographic Properties | Not Available |
|---|
| Predicted Molecular Properties | |
|---|
| Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
|---|
| 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. | 2.0 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 8.8146 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 4.05 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 597.9 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 320.8 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 77.6 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 198.7 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 49.1 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 257.3 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 | 338.5 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 187.9 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 579.2 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 39.8 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 | 932.0 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 189.2 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 241.5 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 605.8 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 281.1 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 | 233.4 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized |
|---|
| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
|---|
| Experimental GC-MS | GC-MS Spectrum - Isonicotinic acid GC-EI-TOF (Non-derivatized) | splash10-053r-0900000000-0e8b37e56297b7672e67 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - Isonicotinic acid GC-EI-TOF (Non-derivatized) | splash10-0540-0900000000-0673678e5fc7980445bd | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - Isonicotinic acid GC-EI-TOF (Non-derivatized) | splash10-0569-5900000000-26eb2a99def38d4a22c8 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - Isonicotinic acid GC-EI-TOF (Non-derivatized) | splash10-053r-0900000000-0e8b37e56297b7672e67 | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - Isonicotinic acid GC-EI-TOF (Non-derivatized) | splash10-0540-0900000000-0673678e5fc7980445bd | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - Isonicotinic acid GC-EI-TOF (Non-derivatized) | splash10-0569-5900000000-26eb2a99def38d4a22c8 | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Isonicotinic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-05fr-7900000000-0cb296f8039d0be2482a | 2017-09-20 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Isonicotinic acid GC-MS (1 TMS) - 70eV, Positive | splash10-05fr-9600000000-b1182d94bed173f36102 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Isonicotinic acid 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 |
|---|
| Experimental LC-MS/MS | LC-MS/MS Spectrum - Isonicotinic acid LC-ESI-QTOF , negative-QTOF | splash10-004i-9300000000-5aefad19534388180436 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Isonicotinic acid LC-ESI-QQ , positive-QTOF | splash10-0ab9-0900000000-3f8ad29d172aa06e19c6 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Isonicotinic acid LC-ESI-QQ , positive-QTOF | splash10-00di-4900000000-04ecd2ded01bc6f9b466 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Isonicotinic acid LC-ESI-QQ , positive-QTOF | splash10-001j-9100000000-b7a02f2f133138354546 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Isonicotinic acid LC-ESI-QQ , positive-QTOF | splash10-003r-9000000000-ee099e60544c0326fdb7 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Isonicotinic acid LC-ESI-QQ , positive-QTOF | splash10-00os-9000020000-f6daab3d1a982cfd35ec | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Isonicotinic acid LC-ESI-QTOF , positive-QTOF | splash10-00di-4900000000-c7fa977839a809bc26c9 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Isonicotinic acid LC-ESI-QTOF , positive-QTOF | splash10-003s-9100000000-187ccf119a0f683d93d0 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Isonicotinic acid 30V, Positive-QTOF | splash10-003s-9100000000-187ccf119a0f683d93d0 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Isonicotinic acid 10V, Positive-QTOF | splash10-00di-0900000000-f4662ceafd587b9b6077 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Isonicotinic acid 40V, Positive-QTOF | splash10-0ugi-9000000000-8e1d2e76371c68d4ffd2 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Isonicotinic acid 20V, Positive-QTOF | splash10-008a-9300000000-b2562aafef5b27aaf06f | 2021-09-20 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isonicotinic acid 10V, Positive-QTOF | splash10-00di-0900000000-86289259e4a7d42b1524 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isonicotinic acid 20V, Positive-QTOF | splash10-00di-2900000000-ac2510c19cbda2467e17 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isonicotinic acid 40V, Positive-QTOF | splash10-0ue9-9100000000-96f139c16425aa89406b | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isonicotinic acid 10V, Negative-QTOF | splash10-00di-3900000000-5d743650a7f30a929686 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isonicotinic acid 20V, Negative-QTOF | splash10-00b9-9500000000-e02450efac27b686ff39 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isonicotinic acid 40V, Negative-QTOF | splash10-004i-9000000000-2a4f9a6c9a5c17833568 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isonicotinic acid 10V, Positive-QTOF | splash10-05ai-6900000000-354dfc313106a4b42d69 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isonicotinic acid 20V, Positive-QTOF | splash10-0a4i-5900000000-4b667bfa85606aed0c8f | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isonicotinic acid 40V, Positive-QTOF | splash10-004i-9000000000-a99a61d126a314ed38dd | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isonicotinic acid 10V, Negative-QTOF | splash10-004i-9000000000-c2850ce6846335b0374d | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isonicotinic acid 20V, Negative-QTOF | splash10-004i-9000000000-c2850ce6846335b0374d | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isonicotinic acid 40V, Negative-QTOF | splash10-004i-9000000000-c2850ce6846335b0374d | 2021-10-12 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
|---|
| 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 Spectra| Spectrum Type | Description | Deposition Date | Source | View |
|---|
| 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 |
|
|---|