| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2019-04-04 16:09:12 UTC |
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| Update Date | 2022-09-22 18:34:32 UTC |
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| HMDB ID | HMDB0240343 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | N-Acetylmethionine sulfoxide |
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| Description | N-Acetylmethionine sulfoxide (CAS: 3054-51-1), also known as N-ACMSO or 2-(acetylamino)-4-(methylsulfinyl)butanoic acid, belongs to the class of organic compounds known as N-acyl-L-alpha-amino acids. These are N-acylated alpha amino acids which have the L-configuration of the alpha-carbon atom. N-Acetylmethionine sulfoxide has been identified in the human placenta (PMID: 32033212 ). |
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| Structure | CC(=O)N[C@@H](CCS(C)=O)C(O)=O InChI=1S/C7H13NO4S/c1-5(9)8-6(7(10)11)3-4-13(2)12/h6H,3-4H2,1-2H3,(H,8,9)(H,10,11)/t6-,13?/m0/s1 |
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| Synonyms | | Value | Source |
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| N-Acetylmethionine sulphoxide | Generator | | (2S)-2-[(1-Hydroxyethylidene)amino]-4-methanesulfinylbutanoate | HMDB | | (2S)-2-[(1-Hydroxyethylidene)amino]-4-methanesulphinylbutanoate | HMDB | | (2S)-2-[(1-Hydroxyethylidene)amino]-4-methanesulphinylbutanoic acid | HMDB | | N-ACMSO | HMDB | | (2S)-2-(Acetylamino)-4-(methylsulfinyl)butanoic acid | HMDB | | (2S)-2-Acetamido-4-(methylsulfinyl)butanoic acid | HMDB | | (2S)-2-Acetamido-4-methanesulfinylbutanoic acid | HMDB | | (2S)-2-Acetamido-4-methylsulfinylbutanoic acid | HMDB | | 2-(Acetylamino)-4-(methylsulfinyl)butanoic acid | HMDB | | N-Acetyl-L-methionine sulfoxide | HMDB | | N-Acetylmethionine sulfoxide | MeSH |
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| Chemical Formula | C7H13NO4S |
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| Average Molecular Weight | 207.24 |
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| Monoisotopic Molecular Weight | 207.056529077 |
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| IUPAC Name | (2S)-2-acetamido-4-methanesulfinylbutanoic acid |
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| Traditional Name | (2S)-2-acetamido-4-methanesulfinylbutanoic acid |
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| CAS Registry Number | 108646-71-5 |
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| SMILES | CC(=O)N[C@@H](CCS(C)=O)C(O)=O |
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| InChI Identifier | InChI=1S/C7H13NO4S/c1-5(9)8-6(7(10)11)3-4-13(2)12/h6H,3-4H2,1-2H3,(H,8,9)(H,10,11)/t6-,13?/m0/s1 |
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| InChI Key | NPIMMZJBURSMON-YLTHGKPTSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as n-acyl-l-alpha-amino acids. These are n-acylated alpha amino acids which have the L-configuration of the alpha-carbon atom. |
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| Kingdom | Organic compounds |
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| Super Class | Organic acids and derivatives |
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| Class | Carboxylic acids and derivatives |
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| Sub Class | Amino acids, peptides, and analogues |
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| Direct Parent | N-acyl-L-alpha-amino acids |
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| Alternative Parents | |
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| Substituents | - N-acyl-l-alpha-amino acid
- Thia fatty acid
- Fatty acid
- Fatty acyl
- Acetamide
- Carboxamide group
- Secondary carboxylic acid amide
- Sulfoxide
- Sulfinyl compound
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Organic oxygen compound
- Carbonyl group
- Organosulfur compound
- Organooxygen compound
- Organonitrogen compound
- Organic oxide
- Hydrocarbon derivative
- Organic nitrogen compound
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic 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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| 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. | 3.06 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 8.983 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 6.69 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 786.3 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 259.1 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 66.3 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 166.1 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 44.5 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 247.9 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 | 244.2 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 681.4 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 590.3 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 65.7 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 | 831.3 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 183.0 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 180.7 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 604.0 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 348.1 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 | 270.3 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| N-Acetylmethionine sulfoxide,1TMS,isomer #1 | CC(=O)N[C@@H](CCS(C)=O)C(=O)O[Si](C)(C)C | 1734.6 | Semi standard non polar | 33892256 | | N-Acetylmethionine sulfoxide,1TMS,isomer #2 | CC(=O)N([C@@H](CCS(C)=O)C(=O)O)[Si](C)(C)C | 1736.6 | Semi standard non polar | 33892256 | | N-Acetylmethionine sulfoxide,2TMS,isomer #1 | CC(=O)N([C@@H](CCS(C)=O)C(=O)O[Si](C)(C)C)[Si](C)(C)C | 1754.9 | Semi standard non polar | 33892256 | | N-Acetylmethionine sulfoxide,2TMS,isomer #1 | CC(=O)N([C@@H](CCS(C)=O)C(=O)O[Si](C)(C)C)[Si](C)(C)C | 2073.8 | Standard non polar | 33892256 | | N-Acetylmethionine sulfoxide,2TMS,isomer #1 | CC(=O)N([C@@H](CCS(C)=O)C(=O)O[Si](C)(C)C)[Si](C)(C)C | 2133.5 | Standard polar | 33892256 | | N-Acetylmethionine sulfoxide,1TBDMS,isomer #1 | CC(=O)N[C@@H](CCS(C)=O)C(=O)O[Si](C)(C)C(C)(C)C | 1963.9 | Semi standard non polar | 33892256 | | N-Acetylmethionine sulfoxide,1TBDMS,isomer #2 | CC(=O)N([C@@H](CCS(C)=O)C(=O)O)[Si](C)(C)C(C)(C)C | 1967.9 | Semi standard non polar | 33892256 | | N-Acetylmethionine sulfoxide,2TBDMS,isomer #1 | CC(=O)N([C@@H](CCS(C)=O)C(=O)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2240.7 | Semi standard non polar | 33892256 | | N-Acetylmethionine sulfoxide,2TBDMS,isomer #1 | CC(=O)N([C@@H](CCS(C)=O)C(=O)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2615.3 | Standard non polar | 33892256 | | N-Acetylmethionine sulfoxide,2TBDMS,isomer #1 | CC(=O)N([C@@H](CCS(C)=O)C(=O)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2347.1 | Standard polar | 33892256 |
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| Spectra |
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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 - N-Acetylmethionine sulfoxide GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - N-Acetylmethionine sulfoxide 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 - N-Acetylmethionine sulfoxide 10V, Positive-QTOF | splash10-014i-0910000000-93ffaabee484f7cd67a4 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Acetylmethionine sulfoxide 20V, Positive-QTOF | splash10-0f6t-7900000000-0ea877575dff1139e961 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Acetylmethionine sulfoxide 40V, Positive-QTOF | splash10-03di-9100000000-7b0e97a852e51236a59b | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Acetylmethionine sulfoxide 10V, Negative-QTOF | splash10-03di-7950000000-3b5c400fe303c2551109 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Acetylmethionine sulfoxide 20V, Negative-QTOF | splash10-03di-9400000000-3b4399cf013a7bb28812 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Acetylmethionine sulfoxide 40V, Negative-QTOF | splash10-01ox-9000000000-87fb4d29772a0579d39c | 2021-09-25 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum |
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| Biological Properties |
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| Cellular Locations | Not Available |
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| Biospecimen Locations | |
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| Tissue Locations | |
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| Pathways | |
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| Normal Concentrations |
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| Feces | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Normal | | details |
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| Abnormal Concentrations |
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| Blood | Expected but not Quantified | Not Quantified | Not Specified | Not Specified | Cancer patients undergoing total body irradiation | | details | | Urine | Detected but not Quantified | Not Quantified | Not Specified | Not Specified | Cancer patients undergoing total body irradiation | | details |
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| Associated Disorders and Diseases |
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| Disease References | None |
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| Associated OMIM IDs | None |
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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 | Not Available |
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| KNApSAcK ID | Not Available |
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| Chemspider ID | 19354090 |
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| KEGG Compound ID | Not Available |
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| BioCyc ID | Not Available |
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| BiGG ID | Not Available |
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| Wikipedia Link | Not Available |
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| METLIN ID | Not Available |
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| PubChem Compound | 7408371 |
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| PDB ID | Not Available |
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| ChEBI ID | Not Available |
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| Food Biomarker Ontology | Not Available |
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| VMH ID | Not Available |
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| MarkerDB ID | Not Available |
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| Good Scents ID | Not Available |
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| References |
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| Synthesis Reference | Not Available |
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| Material Safety Data Sheet (MSDS) | Not Available |
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| General References | - Elshenawy S, Pinney SE, Stuart T, Doulias PT, Zura G, Parry S, Elovitz MA, Bennett MJ, Bansal A, Strauss JF 3rd, Ischiropoulos H, Simmons RA: The Metabolomic Signature of the Placenta in Spontaneous Preterm Birth. Int J Mol Sci. 2020 Feb 4;21(3). pii: ijms21031043. doi: 10.3390/ijms21031043. [PubMed:32033212 ]
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