| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2021-09-11 00:19:44 UTC |
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| Update Date | 2021-09-26 22:56:57 UTC |
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| HMDB ID | HMDB0247323 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | Comfrey |
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| Description | Comfrey belongs to the class of organic compounds known as alkaloids and derivatives. These are naturally occurring chemical compounds that contain mostly basic nitrogen atoms. This group also includes some related compounds with neutral and even weakly acidic properties. Also some synthetic compounds of similar structure are attributed to alkaloids. In addition to carbon, hydrogen and nitrogen, alkaloids may also contain oxygen, sulfur and more rarely other elements such as chlorine, bromine, and phosphorus. Based on a literature review very few articles have been published on Comfrey. This compound has been identified in human blood as reported by (PMID: 31557052 ). Comfrey is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Comfrey is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources. |
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| Structure | CC=C(C)C(=O)OC1CC[N+]2([O-])CC=C(COC(=O)C(O)(C(C)C)C(C)O)C12 InChI=1S/C20H31NO7/c1-6-13(4)18(23)28-16-8-10-21(26)9-7-15(17(16)21)11-27-19(24)20(25,12(2)3)14(5)22/h6-7,12,14,16-17,22,25H,8-11H2,1-5H3 |
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| Synonyms | | Value | Source |
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| 7-({[2,3-dihydroxy-2-(propan-2-yl)butanoyl]oxy}methyl)-4-oxo-2,3,5,7a-tetrahydro-1H-4-pyrrolizin-1-yl 2-methylbut-2-enoic acid | HMDB | | 7-({[2,3-dihydroxy-2-(propan-2-yl)butanoyl]oxy}methyl)-4-oxo-2,3,5,7a-tetrahydro-1H-4λ⁵-pyrrolizin-1-yl 2-methylbut-2-enoic acid | HMDB |
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| Chemical Formula | C20H31NO7 |
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| Average Molecular Weight | 397.468 |
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| Monoisotopic Molecular Weight | 397.210052342 |
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| IUPAC Name | 7-({[2,3-dihydroxy-2-(propan-2-yl)butanoyl]oxy}methyl)-1-[(2-methylbut-2-enoyl)oxy]-1,2,3,4,5,7a-hexahydropyrrolizin-4-ium-4-olate |
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| Traditional Name | 1-{[(2,3-dihydroxy-2-isopropylbutanoyl)oxy]methyl}-7-[(2-methylbut-2-enoyl)oxy]-5,6,7,7a-tetrahydro-3H-pyrrolizin-4-ium-4-olate |
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| CAS Registry Number | Not Available |
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| SMILES | CC=C(C)C(=O)OC1CC[N+]2([O-])CC=C(COC(=O)C(O)(C(C)C)C(C)O)C12 |
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| InChI Identifier | InChI=1S/C20H31NO7/c1-6-13(4)18(23)28-16-8-10-21(26)9-7-15(17(16)21)11-27-19(24)20(25,12(2)3)14(5)22/h6-7,12,14,16-17,22,25H,8-11H2,1-5H3 |
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| InChI Key | MTHHNSCIBYQVSB-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as alkaloids and derivatives. These are naturally occurring chemical compounds that contain mostly basic nitrogen atoms. This group also includes some related compounds with neutral and even weakly acidic properties. Also some synthetic compounds of similar structure are attributed to alkaloids. In addition to carbon, hydrogen and nitrogen, alkaloids may also contain oxygen, sulfur and more rarely other elements such as chlorine, bromine, and phosphorus. |
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| Kingdom | Organic compounds |
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| Super Class | Alkaloids and derivatives |
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| Class | Not Available |
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| Sub Class | Not Available |
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| Direct Parent | Alkaloids and derivatives |
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| Alternative Parents | |
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| Substituents | - Alkaloid or derivatives
- Pyrrolizine
- Beta-hydroxy acid
- Fatty acid ester
- Dicarboxylic acid or derivatives
- Hydroxy acid
- Fatty acyl
- N-alkylpyrrolidine
- Trialkyl amine oxide
- Pyrrolidine
- Pyrroline
- Alpha,beta-unsaturated carboxylic ester
- Enoate ester
- Tertiary alcohol
- 1,2-diol
- Carboxylic acid ester
- Secondary alcohol
- Organoheterocyclic compound
- Azacycle
- Carboxylic acid derivative
- N-oxide
- Trisubstituted n-oxide
- Organic salt
- Organooxygen compound
- Organonitrogen compound
- Hydrocarbon derivative
- Organic oxide
- Organic oxygen compound
- Alcohol
- Carbonyl group
- Organic nitrogen compound
- Organic cation
- Aliphatic heteropolycyclic compound
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| Molecular Framework | Aliphatic heteropolycyclic 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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| Predicted by Siyang on May 30, 2022 | 11.0969 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 3.38 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1511.0 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 159.9 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 142.5 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 139.9 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 62.7 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 331.3 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 | 349.2 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 213.3 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 795.8 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 409.1 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 | 1056.4 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 225.7 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 281.3 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 229.3 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 169.4 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 | 21.5 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatized |
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