| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2012-09-11 17:38:59 UTC |
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| Update Date | 2022-03-07 02:52:41 UTC |
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| HMDB ID | HMDB0030781 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Isomammein |
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| Description | Isomammein, also known as mammea b/aa, belongs to the class of organic compounds known as 7-hydroxycoumarins. These are coumarins that contain one or more hydroxyl groups attached to the C7 position the coumarin skeleton. Based on a literature review very few articles have been published on Isomammein. |
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| Structure | CCCC1=CC(=O)OC2=C(CC=C(C)C)C(O)=C(C(=O)CC(C)C)C(O)=C12 InChI=1S/C22H28O5/c1-6-7-14-11-17(24)27-22-15(9-8-12(2)3)20(25)19(21(26)18(14)22)16(23)10-13(4)5/h8,11,13,25-26H,6-7,9-10H2,1-5H3 |
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| Synonyms | | Value | Source |
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| 5,7-Dihydroxy-6-isovaleryl-8-(3-methyl-2-butenyl)-4-propylcoumarin, 8ci | HMDB | | 5,7-Dihydroxy-8-(3-methyl-2-butenyl)-6-(3-methyl-1-oxobutyl)-4-propyl-2H-1-benzopyran-2-one, 9ci | HMDB | | Mammea b/aa | HMDB |
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| Chemical Formula | C22H28O5 |
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| Average Molecular Weight | 372.4547 |
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| Monoisotopic Molecular Weight | 372.193674006 |
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| IUPAC Name | 5,7-dihydroxy-8-(3-methylbut-2-en-1-yl)-6-(3-methylbutanoyl)-4-propyl-2H-chromen-2-one |
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| Traditional Name | 5,7-dihydroxy-8-(3-methylbut-2-en-1-yl)-6-(3-methylbutanoyl)-4-propylchromen-2-one |
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| CAS Registry Number | 478-67-1 |
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| SMILES | CCCC1=CC(=O)OC2=C(CC=C(C)C)C(O)=C(C(=O)CC(C)C)C(O)=C12 |
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| InChI Identifier | InChI=1S/C22H28O5/c1-6-7-14-11-17(24)27-22-15(9-8-12(2)3)20(25)19(21(26)18(14)22)16(23)10-13(4)5/h8,11,13,25-26H,6-7,9-10H2,1-5H3 |
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| InChI Key | VXFHCMCZMKQIMR-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as 7-hydroxycoumarins. These are coumarins that contain one or more hydroxyl groups attached to the C7 position the coumarin skeleton. |
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| Kingdom | Organic compounds |
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| Super Class | Phenylpropanoids and polyketides |
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| Class | Coumarins and derivatives |
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| Sub Class | Hydroxycoumarins |
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| Direct Parent | 7-hydroxycoumarins |
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| Alternative Parents | |
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| Substituents | - 7-hydroxycoumarin
- Butyrophenone
- Benzopyran
- 1-benzopyran
- Aryl alkyl ketone
- Aryl ketone
- Pyranone
- Pyran
- Benzenoid
- Heteroaromatic compound
- Vinylogous acid
- Ketone
- Lactone
- Oxacycle
- Organoheterocyclic compound
- Organooxygen compound
- Organic oxygen compound
- Hydrocarbon derivative
- Organic oxide
- 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 | Not Available |
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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 | |
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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. | 9.49 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 23.7948 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 0.88 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 34.2 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 3728.7 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 728.9 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 292.4 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 398.5 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 261.0 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1002.8 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 | 1236.1 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 95.6 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1894.6 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 821.1 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 | 2255.0 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 643.8 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 577.2 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 420.4 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 470.2 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 | 8.3 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Isomammein,1TMS,isomer #1 | CCCC1=CC(=O)OC2=C(CC=C(C)C)C(O[Si](C)(C)C)=C(C(=O)CC(C)C)C(O)=C12 | 2756.6 | Semi standard non polar | 33892256 | | Isomammein,1TMS,isomer #2 | CCCC1=CC(=O)OC2=C(CC=C(C)C)C(O)=C(C(=O)CC(C)C)C(O[Si](C)(C)C)=C12 | 2773.8 | Semi standard non polar | 33892256 | | Isomammein,2TMS,isomer #1 | CCCC1=CC(=O)OC2=C(CC=C(C)C)C(O[Si](C)(C)C)=C(C(=O)CC(C)C)C(O[Si](C)(C)C)=C12 | 2785.3 | Semi standard non polar | 33892256 | | Isomammein,1TBDMS,isomer #1 | CCCC1=CC(=O)OC2=C(CC=C(C)C)C(O[Si](C)(C)C(C)(C)C)=C(C(=O)CC(C)C)C(O)=C12 | 2977.8 | Semi standard non polar | 33892256 | | Isomammein,1TBDMS,isomer #2 | CCCC1=CC(=O)OC2=C(CC=C(C)C)C(O)=C(C(=O)CC(C)C)C(O[Si](C)(C)C(C)(C)C)=C12 | 2985.8 | Semi standard non polar | 33892256 | | Isomammein,2TBDMS,isomer #1 | CCCC1=CC(=O)OC2=C(CC=C(C)C)C(O[Si](C)(C)C(C)(C)C)=C(C(=O)CC(C)C)C(O[Si](C)(C)C(C)(C)C)=C12 | 3195.1 | Semi standard non 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 - Isomammein GC-MS (Non-derivatized) - 70eV, Positive | splash10-0ar3-2029000000-35c0b259227446b78b50 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Isomammein GC-MS (2 TMS) - 70eV, Positive | splash10-0udi-5422970000-8e2aee001fdcb3d9338b | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Isomammein GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Isomammein 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 - Isomammein 10V, Positive-QTOF | splash10-00di-0009000000-0e97ff129de44e6255be | 2016-08-02 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isomammein 20V, Positive-QTOF | splash10-014i-4049000000-9949af007ea5dedaa713 | 2016-08-02 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isomammein 40V, Positive-QTOF | splash10-0aor-5091000000-9c2d605c04f162ac54e3 | 2016-08-02 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isomammein 10V, Negative-QTOF | splash10-00di-0019000000-07e27119e6aed625b35b | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isomammein 20V, Negative-QTOF | splash10-0079-4098000000-f831c2468825e5e54e74 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isomammein 40V, Negative-QTOF | splash10-0a4u-9183000000-38753ae783d396790372 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isomammein 10V, Positive-QTOF | splash10-00di-0009000000-2ba4fbcce42fdd3b689e | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isomammein 20V, Positive-QTOF | splash10-00dl-0019000000-56a0a6e3f2c27a494932 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isomammein 40V, Positive-QTOF | splash10-0f7d-2093000000-0f1b131b3954addd24eb | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isomammein 10V, Negative-QTOF | splash10-00di-0009000000-0f67c9388d63ae2a73ac | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isomammein 20V, Negative-QTOF | splash10-00di-0029000000-56a52dc649ed32737404 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isomammein 40V, Negative-QTOF | splash10-000f-6296000000-7fa6b4be9e64aacf9d5f | 2021-09-25 | Wishart Lab | View Spectrum |
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