Record Information |
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Version | 5.0 |
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Status | Detected and Quantified |
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Creation Date | 2006-05-22 15:12:10 UTC |
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Update Date | 2023-02-21 17:16:28 UTC |
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HMDB ID | HMDB0002786 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | Nitrite |
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Description | Nitrite is a nitrite compound is either a salt or an ester of nitrous acid. Sodium nitrite is used for the curing of meat because it prevents bacterial growth and, in a reaction with the meat's myoglobin, gives the product a desirable dark red color. Nitrite can be reduced to nitric oxide or ammonia by many species of bacteria. Under hypoxic conditions, nitrite may release nitric oxide, which causes potent vasodilation. Several mechanisms for nitrite conversion to NO have been described including enzymatic reduction by xanthine oxidoreductase, the mitochondria, and NO synthase (NOS), as well as nonenzymatic acidic disproportionation. -- Wikipedia . |
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Structure | InChI=1S/HNO2/c2-1-3/h(H,2,3) |
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Synonyms | Value | Source |
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[NO(OH)] | ChEBI | HNO2 | ChEBI | Nitrosyl hydroxide | ChEBI | Acid, nitrous | HMDB | Nitrous acid | HMDB |
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Chemical Formula | HNO2 |
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Average Molecular Weight | 47.0134 |
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Monoisotopic Molecular Weight | 47.000728281 |
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IUPAC Name | nitrous acid |
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Traditional Name | nitrous acid |
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CAS Registry Number | 14797-65-0 |
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SMILES | ON=O |
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InChI Identifier | InChI=1S/HNO2/c2-1-3/h(H,2,3) |
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InChI Key | IOVCWXUNBOPUCH-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of inorganic compounds known as non-metal nitrites. These are inorganic non-metallic compounds containing a nitrite as its largest oxoanion. |
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Kingdom | Inorganic compounds |
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Super Class | Homogeneous non-metal compounds |
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Class | Non-metal oxoanionic compounds |
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Sub Class | Non-metal nitrites |
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Direct Parent | Non-metal nitrites |
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Alternative Parents | |
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Substituents | - Non-metal nitrite
- Inorganic nitrite
- Inorganic oxide
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Molecular Framework | Not Available |
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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 | |
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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 SectionsPredictor | Adduct Type | CCS Value (Å2) | Reference |
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DeepCCS | [M+H]+ | 112.525 | 30932474 | DeepCCS | [M-H]- | 110.721 | 30932474 | DeepCCS | [M-2H]- | 145.977 | 30932474 | DeepCCS | [M+Na]+ | 119.624 | 30932474 |
Predicted Kovats Retention IndicesUnderivatizedMetabolite | SMILES | Kovats RI Value | Column Type | Reference |
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Nitrite | ON=O | 1313.6 | Standard polar | 33892256 | Nitrite | ON=O | 580.2 | Standard non polar | 33892256 | Nitrite | ON=O | 756.7 | Semi standard non polar | 33892256 |
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Spectra |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted GC-MS | Predicted GC-MS Spectrum - Nitrite 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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Experimental LC-MS/MS | LC-MS/MS Spectrum - Nitrite Quattro_QQQ 10V, Negative-QTOF (Annotated) | splash10-0007-9000000000-9cf82c70d7bc0883ea95 | 2018-05-17 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Nitrite Quattro_QQQ 25V, Negative-QTOF (Annotated) | splash10-0005-9000000000-e52588fd7e5b6989584d | 2018-05-17 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Nitrite Quattro_QQQ 40V, Negative-QTOF (Annotated) | splash10-0007-9000000000-891acfcb7562d9875939 | 2018-05-17 | HMDB team, MONA | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nitrite 10V, Positive-QTOF | splash10-0002-9000000000-701578487c4dc8b94d22 | 2015-09-15 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nitrite 20V, Positive-QTOF | splash10-0002-9000000000-701578487c4dc8b94d22 | 2015-09-15 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nitrite 40V, Positive-QTOF | splash10-0002-9000000000-701578487c4dc8b94d22 | 2015-09-15 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nitrite 10V, Negative-QTOF | splash10-0002-9000000000-9c61b79c18a51c772d86 | 2015-09-15 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nitrite 20V, Negative-QTOF | splash10-0002-9000000000-9c61b79c18a51c772d86 | 2015-09-15 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nitrite 40V, Negative-QTOF | splash10-0002-9000000000-9c61b79c18a51c772d86 | 2015-09-15 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nitrite 10V, Positive-QTOF | splash10-0002-9000000000-f32ca30bef7a838cd1d9 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nitrite 20V, Positive-QTOF | splash10-0002-9000000000-f32ca30bef7a838cd1d9 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nitrite 40V, Positive-QTOF | splash10-0002-9000000000-25fa00bd60fa653bf828 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nitrite 10V, Negative-QTOF | splash10-0002-9000000000-a0441e6336543cb88423 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nitrite 20V, Negative-QTOF | splash10-0002-9000000000-a0441e6336543cb88423 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nitrite 40V, Negative-QTOF | splash10-0002-9000000000-a0441e6336543cb88423 | 2021-09-23 | 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]-) | 2023-02-03 | FELIX lab | View Spectrum | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+) | 2023-02-03 | FELIX lab | View Spectrum | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+) | 2023-02-03 | FELIX lab | View Spectrum |
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Biological Properties |
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Cellular Locations | Not Available |
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Biospecimen Locations | - Blood
- Cerebrospinal Fluid (CSF)
- Saliva
- Urine
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Tissue Locations | - Bladder
- Brain
- Erythrocyte
- Fibroblasts
- Heart
- Intestine
- Kidney
- Leukocyte
- Liver
- Lung
- Placenta
- Platelet
- Skeletal Muscle
- Spleen
- Testis
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Pathways | |
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Normal Concentrations |
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Blood | Detected and Quantified | 32.0 +/- 2.1 uM | Adult (>18 years old) | Both | Normal | | details | Blood | Detected and Quantified | 28.2 +/- 2.3 uM | Adult (>18 years old) | Female | Normal | | details | Blood | Detected and Quantified | 36.8 +/- 2.8 uM | Adult (>18 years old) | Male | Normal | | details | Blood | Detected and Quantified | 1.51 +/- 0.76 uM | Children (1-13 years old) | Male | Normal | | details | Blood | Detected and Quantified | 0.17 (0 - 0.35) uM | Adult (>18 years old) | Both | Normal | | details | Cerebrospinal Fluid (CSF) | Detected and Quantified | 15.53 +/- 1.49 uM | Adult (>18 years old) | Female | Normal | | details | Cerebrospinal Fluid (CSF) | Detected and Quantified | 5.57 +/- 0.39 uM | Adult (>18 years old) | Female | Normal | | details | Cerebrospinal Fluid (CSF) | Detected and Quantified | 1.41 +/- 0.46 uM | Adult (>18 years old) | Both | Normal | | details | Saliva | Detected and Quantified | 180 (60-300) uM | Adult (>18 years old) | Both | Normal | | details | Urine | Detected and Quantified | 0.46 +/- 0.95 umol/mmol creatinine | Children (1-13 years old) | Male | Normal | | details |
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Abnormal Concentrations |
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Blood | Detected and Quantified | 21.8 +/- 1.3 uM | Adult (>18 years old) | Both | Trauma | | details | Blood | Detected and Quantified | 1.10 +/- 0.36 uM | Children (1-13 years old) | Male | Duchenne Muscular Dystrophy | | details | Blood | Detected and Quantified | 1.06 (0.4-2.63) uM | Adult (>18 years old) | Both | Malaria | | details | Cerebrospinal Fluid (CSF) | Detected and Quantified | 5.82 +/- 3.2 uM | Adult (>18 years old) | Both | Motor neuron disease (MND) | | details | Cerebrospinal Fluid (CSF) | Detected and Quantified | 21.0 +/- 1.68 uM | Adult (>18 years old) | Female | Preeclampsia | | details | Cerebrospinal Fluid (CSF) | Detected and Quantified | 8.28 +/- 0.89 uM | Adult (>18 years old) | Female | Preeclampsia | | details | Urine | Detected and Quantified | 0.97 +/- 1.10 umol/mmol creatinine | Children (1-13 years old) | Male | Duchenne Muscular Dystrophy | | details |
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Associated Disorders and Diseases |
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Disease References | Malaria |
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- Agbenyega T, Angus B, Bedu-Addo G, Baffoe-Bonnie B, Griffin G, Vallance P, Krishna S: Plasma nitrogen oxides and blood lactate concentrations in Ghanaian children with malaria. Trans R Soc Trop Med Hyg. 1997 May-Jun;91(3):298-302. [PubMed:9231201 ]
| Trauma |
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- Jacob TD, Ochoa JB, Udekwu AO, Wilkinson J, Murray T, Billiar TR, Simmons RL, Marion DW, Peitzman AB: Nitric oxide production is inhibited in trauma patients. J Trauma. 1993 Oct;35(4):590-6; discussion 596-7. [PubMed:8411284 ]
| Duchenne Muscular Dystrophy |
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- Horster I, Weigt-Usinger K, Carmann C, Chobanyan-Jurgens K, Kohler C, Schara U, Kayacelebi AA, Beckmann B, Tsikas D, Lucke T: The L-arginine/NO pathway and homoarginine are altered in Duchenne muscular dystrophy and improved by glucocorticoids. Amino Acids. 2015 Sep;47(9):1853-63. doi: 10.1007/s00726-015-2018-x. Epub 2015 Jun 12. [PubMed:26066683 ]
| Motor neuron disease |
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- Shukla R, Rajani M, Barthwal MK, Srivastava N, Dikshit M: Cerebrospinal fluid nitrite and malondialdehyde levels in patients with motor neuron disease. Int J Neurosci. 2003 Aug;113(8):1043-54. [PubMed:12888419 ]
| Preeclampsia |
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- Celik O, Hascalik S, Turkoz Y, Hascalik M, Gokdeniz R: Cerebrospinal fluid nitric oxide level changes in preeclampsia. Eur J Obstet Gynecol Reprod Biol. 2003 Dec 10;111(2):141-5. [PubMed:14597241 ]
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Associated OMIM IDs | |
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External Links |
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DrugBank ID | Not Available |
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Phenol Explorer Compound ID | Not Available |
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FooDB ID | FDB023064 |
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KNApSAcK ID | Not Available |
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Chemspider ID | 22936 |
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KEGG Compound ID | C00088 |
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BioCyc ID | Not Available |
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BiGG ID | Not Available |
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Wikipedia Link | Nitrous acid |
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METLIN ID | Not Available |
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PubChem Compound | 24529 |
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PDB ID | Not Available |
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ChEBI ID | 25567 |
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Food Biomarker Ontology | Not Available |
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VMH ID | NO2 |
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MarkerDB ID | MDB00013445 |
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Good Scents ID | Not Available |
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References |
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Synthesis Reference | Nakata, Sumio; Eiki, Toshio; Tanaka, Norihiro; Koyama, Tadashi; Tsukui, Hiroto; Watanabe, Shizuo. Production of nitrite ions from trinitrophenyl myosin and from trinitrophenyl subfragment-1. Journal of Biochemistry (Tokyo, Japan) (1986), 99(1), 27-32. |
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Material Safety Data Sheet (MSDS) | Download (PDF) |
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General References | - Takahama U, Oniki T, Murata H: The presence of 4-hydroxyphenylacetic acid in human saliva and the possibility of its nitration by salivary nitrite in the stomach. FEBS Lett. 2002 May 8;518(1-3):116-8. [PubMed:11997029 ]
- Miyado T, Tanaka Y, Nagai H, Takeda S, Saito K, Fukushi K, Yoshida Y, Wakida S, Niki E: Simultaneous determination of nitrate and nitrite in biological fluids by capillary electrophoresis and preliminary study on their determination by microchip capillary electrophoresis. J Chromatogr A. 2004 Oct 8;1051(1-2):185-91. [PubMed:15532572 ]
- Tsikas D: Methods of quantitative analysis of the nitric oxide metabolites nitrite and nitrate in human biological fluids. Free Radic Res. 2005 Aug;39(8):797-815. [PubMed:16036360 ]
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