| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2006-08-13 10:19:52 UTC |
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| Update Date | 2023-02-21 17:16:53 UTC |
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| HMDB ID | HMDB0004073 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 5-Hydroxyindoleacetaldehyde |
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| Description | 5-Hydroxyindoleacetaldehyde, also known as 5-HIAL, belongs to the class of organic compounds known as hydroxyindoles. These are organic compounds containing an indole moiety that carries a hydroxyl group. Within humans, 5-hydroxyindoleacetaldehyde participates in a number of enzymatic reactions. In particular, 5-hydroxyindoleacetaldehyde can be biosynthesized from serotonin through its interaction with the enzyme kynurenine 3-monooxygenase. In humans, 5-hydroxyindoleacetaldehyde is involved in tryptophan metabolism. Outside of the human body, 5-hydroxyindoleacetaldehyde has been detected, but not quantified in, several different foods, such as garden rhubarbs, black radish, oriental wheat, garden tomato, and wild leeks. This could make 5-hydroxyindoleacetaldehyde a potential biomarker for the consumption of these foods. 5-Hydroxyindoleacetaldehyde is a biogenic aldehyde of serotonin derived from the action of monoamine oxidase (MAO) (PMID: 11306106 , 2470392 ). |
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| Structure | InChI=1S/C10H9NO2/c12-4-3-7-6-11-10-2-1-8(13)5-9(7)10/h1-2,4-6,11,13H,3H2 |
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| Synonyms | | Value | Source |
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| 5-Hial | ChEBI | | 5-Hydroxyindole-3-acetaldehyde | ChEBI | | (5-Hydroxy-1H-indol-3-yl)acetaldehyde | HMDB | | (5-Hydroxyindol-3-yl)acetaldehyde | HMDB | | 5-Hydroxy-1H-indole-3-acetaldehyde | HMDB | | Hydroxyindoleacetaldehyde | HMDB | | 5-Hydroxytryptaldehyde | HMDB |
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| Chemical Formula | C10H9NO2 |
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| Average Molecular Weight | 175.184 |
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| Monoisotopic Molecular Weight | 175.063328537 |
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| IUPAC Name | 2-(5-hydroxy-1H-indol-3-yl)acetaldehyde |
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| Traditional Name | hydroxyindoleacetaldehyde |
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| CAS Registry Number | 1892-21-3 |
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| SMILES | OC1=CC2=C(NC=C2CC=O)C=C1 |
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| InChI Identifier | InChI=1S/C10H9NO2/c12-4-3-7-6-11-10-2-1-8(13)5-9(7)10/h1-2,4-6,11,13H,3H2 |
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| InChI Key | OBFAPCIUSYHFIE-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as hydroxyindoles. These are organic compounds containing an indole moiety that carries a hydroxyl group. |
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| Kingdom | Organic compounds |
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| Super Class | Organoheterocyclic compounds |
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| Class | Indoles and derivatives |
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| Sub Class | Hydroxyindoles |
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| Direct Parent | Hydroxyindoles |
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| Alternative Parents | |
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| Substituents | - Hydroxyindole
- 3-alkylindole
- Indole
- 1-hydroxy-2-unsubstituted benzenoid
- Substituted pyrrole
- Benzenoid
- Alpha-hydrogen aldehyde
- Pyrrole
- Heteroaromatic compound
- Azacycle
- Aldehyde
- Hydrocarbon derivative
- Organic oxide
- Organopnictogen compound
- Organooxygen compound
- Organonitrogen compound
- Organic oxygen compound
- Carbonyl group
- Organic nitrogen compound
- Aromatic heteropolycyclic compound
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| Molecular Framework | Aromatic heteropolycyclic compounds |
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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 | Not Available |
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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. | 3.46 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 10.0241 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.44 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 28.3 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1448.6 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 325.5 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 112.2 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 180.1 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 319.1 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 447.8 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 | 337.8 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 148.8 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 728.5 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 290.3 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 | 1189.4 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 353.8 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 242.4 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 536.2 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 261.6 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 | 153.0 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| 5-Hydroxyindoleacetaldehyde,1TMS,isomer #1 | C[Si](C)(C)OC1=CC=C2[NH]C=C(CC=O)C2=C1 | 2043.9 | Semi standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,1TMS,isomer #2 | C[Si](C)(C)OC=CC1=C[NH]C2=CC=C(O)C=C12 | 2233.3 | Semi standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,1TMS,isomer #3 | C[Si](C)(C)N1C=C(CC=O)C2=CC(O)=CC=C21 | 2066.6 | Semi standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,2TMS,isomer #1 | C[Si](C)(C)OC=CC1=C[NH]C2=CC=C(O[Si](C)(C)C)C=C12 | 2284.5 | Semi standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,2TMS,isomer #1 | C[Si](C)(C)OC=CC1=C[NH]C2=CC=C(O[Si](C)(C)C)C=C12 | 2171.1 | Standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,2TMS,isomer #1 | C[Si](C)(C)OC=CC1=C[NH]C2=CC=C(O[Si](C)(C)C)C=C12 | 2415.6 | Standard polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,2TMS,isomer #2 | C[Si](C)(C)OC1=CC=C2C(=C1)C(CC=O)=CN2[Si](C)(C)C | 2071.3 | Semi standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,2TMS,isomer #2 | C[Si](C)(C)OC1=CC=C2C(=C1)C(CC=O)=CN2[Si](C)(C)C | 2059.1 | Standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,2TMS,isomer #2 | C[Si](C)(C)OC1=CC=C2C(=C1)C(CC=O)=CN2[Si](C)(C)C | 2192.4 | Standard polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,2TMS,isomer #3 | C[Si](C)(C)OC=CC1=CN([Si](C)(C)C)C2=CC=C(O)C=C12 | 2325.3 | Semi standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,2TMS,isomer #3 | C[Si](C)(C)OC=CC1=CN([Si](C)(C)C)C2=CC=C(O)C=C12 | 2350.5 | Standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,2TMS,isomer #3 | C[Si](C)(C)OC=CC1=CN([Si](C)(C)C)C2=CC=C(O)C=C12 | 2389.3 | Standard polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,3TMS,isomer #1 | C[Si](C)(C)OC=CC1=CN([Si](C)(C)C)C2=CC=C(O[Si](C)(C)C)C=C12 | 2310.8 | Semi standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,3TMS,isomer #1 | C[Si](C)(C)OC=CC1=CN([Si](C)(C)C)C2=CC=C(O[Si](C)(C)C)C=C12 | 2344.5 | Standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,3TMS,isomer #1 | C[Si](C)(C)OC=CC1=CN([Si](C)(C)C)C2=CC=C(O[Si](C)(C)C)C=C12 | 2253.1 | Standard polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CC=C2[NH]C=C(CC=O)C2=C1 | 2312.0 | Semi standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC=CC1=C[NH]C2=CC=C(O)C=C12 | 2476.4 | Semi standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,1TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N1C=C(CC=O)C2=CC(O)=CC=C21 | 2318.3 | Semi standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC=CC1=C[NH]C2=CC=C(O[Si](C)(C)C(C)(C)C)C=C12 | 2766.1 | Semi standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC=CC1=C[NH]C2=CC=C(O[Si](C)(C)C(C)(C)C)C=C12 | 2606.4 | Standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC=CC1=C[NH]C2=CC=C(O[Si](C)(C)C(C)(C)C)C=C12 | 2611.5 | Standard polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC1=CC=C2C(=C1)C(CC=O)=CN2[Si](C)(C)C(C)(C)C | 2545.0 | Semi standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC1=CC=C2C(=C1)C(CC=O)=CN2[Si](C)(C)C(C)(C)C | 2479.6 | Standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC1=CC=C2C(=C1)C(CC=O)=CN2[Si](C)(C)C(C)(C)C | 2385.9 | Standard polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OC=CC1=CN([Si](C)(C)C(C)(C)C)C2=CC=C(O)C=C12 | 2766.7 | Semi standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OC=CC1=CN([Si](C)(C)C(C)(C)C)C2=CC=C(O)C=C12 | 2741.8 | Standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OC=CC1=CN([Si](C)(C)C(C)(C)C)C2=CC=C(O)C=C12 | 2550.1 | Standard polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC=CC1=CN([Si](C)(C)C(C)(C)C)C2=CC=C(O[Si](C)(C)C(C)(C)C)C=C12 | 2968.3 | Semi standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC=CC1=CN([Si](C)(C)C(C)(C)C)C2=CC=C(O[Si](C)(C)C(C)(C)C)C=C12 | 2929.1 | Standard non polar | 33892256 | | 5-Hydroxyindoleacetaldehyde,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC=CC1=CN([Si](C)(C)C(C)(C)C)C2=CC=C(O[Si](C)(C)C(C)(C)C)C=C12 | 2532.4 | 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 - 5-Hydroxyindoleacetaldehyde GC-MS (Non-derivatized) - 70eV, Positive | splash10-000t-0900000000-82ea66debc45b5a54912 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 5-Hydroxyindoleacetaldehyde GC-MS (1 TMS) - 70eV, Positive | splash10-00xr-4590000000-148aa38d23d73f5990a5 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 5-Hydroxyindoleacetaldehyde GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 5-Hydroxyindoleacetaldehyde 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 - 5-Hydroxyindoleacetaldehyde 10V, Positive-QTOF | splash10-004i-0900000000-34afefea4e019e029852 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyindoleacetaldehyde 20V, Positive-QTOF | splash10-057j-0900000000-c324c5351368276b781e | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyindoleacetaldehyde 40V, Positive-QTOF | splash10-05ng-2900000000-b5cae8ea903e8b80ef0c | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyindoleacetaldehyde 10V, Negative-QTOF | splash10-00di-0900000000-f492ed9bb605e0b7b03b | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyindoleacetaldehyde 20V, Negative-QTOF | splash10-00di-0900000000-9fb25b933c4987b62dee | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyindoleacetaldehyde 40V, Negative-QTOF | splash10-001i-2900000000-0c78360f8596defdda87 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyindoleacetaldehyde 10V, Positive-QTOF | splash10-002b-0900000000-8c82c2093e14f3857e5c | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyindoleacetaldehyde 20V, Positive-QTOF | splash10-002b-0900000000-6c3085f4067426eeb1f3 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyindoleacetaldehyde 40V, Positive-QTOF | splash10-0159-1900000000-fc0d25838e197398d090 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyindoleacetaldehyde 10V, Negative-QTOF | splash10-00di-0900000000-ce155c63a4e18d180895 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyindoleacetaldehyde 20V, Negative-QTOF | splash10-0089-0900000000-3967b0a653903263d918 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyindoleacetaldehyde 40V, Negative-QTOF | splash10-014i-0900000000-b3f6f7944533b77bfd8b | 2021-09-24 | Wishart Lab | View Spectrum |
IR Spectra| Spectrum 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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