| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2012-09-12 00:22:10 UTC |
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| Update Date | 2022-03-07 02:56:02 UTC |
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| HMDB ID | HMDB0039017 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Semi-beta-carotenone |
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| Description | Semi-beta-carotenone belongs to the class of organic compounds known as sesquaterpenoids. These are terpenoids with at least 7 consecutive isoprene units. Based on a literature review a small amount of articles have been published on Semi-beta-carotenone. |
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| Structure | CC(=O)CCCC(C)(C)C(=O)\C=C\C(\C)=C\C=C\C(\C)=C\C=C\C=C(/C)\C=C/C=C(/C)\C=C\C1=C(C)CCCC1(C)C InChI=1S/C40H56O2/c1-31(19-13-21-33(3)25-27-37-35(5)23-15-29-39(37,7)8)17-11-12-18-32(2)20-14-22-34(4)26-28-38(42)40(9,10)30-16-24-36(6)41/h11-14,17-22,25-28H,15-16,23-24,29-30H2,1-10H3/b12-11+,19-13-,20-14+,27-25+,28-26+,31-17+,32-18+,33-21-,34-22+ |
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| Synonyms | | Value | Source |
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| Semi-b-carotenone | Generator | | Semi-β-carotenone | Generator |
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| Chemical Formula | C40H56O2 |
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| Average Molecular Weight | 568.8714 |
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| Monoisotopic Molecular Weight | 568.428031036 |
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| IUPAC Name | (8E,10E,12E,14E,16E,18E,20Z,22Z,24E)-6,6,10,14,19,23-hexamethyl-25-(2,6,6-trimethylcyclohex-1-en-1-yl)pentacosa-8,10,12,14,16,18,20,22,24-nonaene-2,7-dione |
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| Traditional Name | (8E,10E,12E,14E,16E,18E,20Z,22Z,24E)-6,6,10,14,19,23-hexamethyl-25-(2,6,6-trimethylcyclohex-1-en-1-yl)pentacosa-8,10,12,14,16,18,20,22,24-nonaene-2,7-dione |
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| CAS Registry Number | 20126-73-2 |
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| SMILES | CC(=O)CCCC(C)(C)C(=O)\C=C\C(\C)=C\C=C\C(\C)=C\C=C\C=C(/C)\C=C/C=C(/C)\C=C\C1=C(C)CCCC1(C)C |
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| InChI Identifier | InChI=1S/C40H56O2/c1-31(19-13-21-33(3)25-27-37-35(5)23-15-29-39(37,7)8)17-11-12-18-32(2)20-14-22-34(4)26-28-38(42)40(9,10)30-16-24-36(6)41/h11-14,17-22,25-28H,15-16,23-24,29-30H2,1-10H3/b12-11+,19-13-,20-14+,27-25+,28-26+,31-17+,32-18+,33-21-,34-22+ |
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| InChI Key | PDBIWYOLPQXSTF-LXAKRSFRSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as sesquaterpenoids. These are terpenoids with at least 7 consecutive isoprene units. |
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| Kingdom | Organic compounds |
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| Super Class | Lipids and lipid-like molecules |
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| Class | Prenol lipids |
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| Sub Class | Sesquaterpenoids |
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| Direct Parent | Sesquaterpenoids |
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| Alternative Parents | |
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| Substituents | - Sesquaterpenoid
- Alpha,beta-unsaturated ketone
- Enone
- Acryloyl-group
- Ketone
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- Aliphatic homomonocyclic compound
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| Molecular Framework | Aliphatic homomonocyclic 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 | |
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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 | 118 - 119 °C | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | 2.7e-10 mg/L @ 25 °C (est) | The Good Scents Company Information System | | 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. | 5.32 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 45.8588 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 0.89 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 5796.5 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 1368.8 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 508.7 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 830.3 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 754.5 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1876.8 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 | 1316.1 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 133.2 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 4034.9 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1336.5 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 | 2563.9 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1572.2 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 943.4 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 540.4 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 1223.5 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 | 11.2 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Semi-beta-carotenone,1TMS,isomer #1 | CC(=CCCC(C)(C)C(=O)/C=C/C(C)=C/C=C/C(C)=C/C=C/C=C(C)/C=C\C=C(C)/C=C/C1=C(C)CCCC1(C)C)O[Si](C)(C)C | 4715.4 | Semi standard non polar | 33892256 | | Semi-beta-carotenone,1TMS,isomer #1 | CC(=CCCC(C)(C)C(=O)/C=C/C(C)=C/C=C/C(C)=C/C=C/C=C(C)/C=C\C=C(C)/C=C/C1=C(C)CCCC1(C)C)O[Si](C)(C)C | 4587.1 | Standard non polar | 33892256 | | Semi-beta-carotenone,1TMS,isomer #2 | C=C(CCCC(C)(C)C(=O)/C=C/C(C)=C/C=C/C(C)=C/C=C/C=C(C)/C=C\C=C(C)/C=C/C1=C(C)CCCC1(C)C)O[Si](C)(C)C | 4670.6 | Semi standard non polar | 33892256 | | Semi-beta-carotenone,1TMS,isomer #2 | C=C(CCCC(C)(C)C(=O)/C=C/C(C)=C/C=C/C(C)=C/C=C/C=C(C)/C=C\C=C(C)/C=C/C1=C(C)CCCC1(C)C)O[Si](C)(C)C | 4503.3 | Standard non polar | 33892256 | | Semi-beta-carotenone,1TBDMS,isomer #1 | CC(=CCCC(C)(C)C(=O)/C=C/C(C)=C/C=C/C(C)=C/C=C/C=C(C)/C=C\C=C(C)/C=C/C1=C(C)CCCC1(C)C)O[Si](C)(C)C(C)(C)C | 4919.7 | Semi standard non polar | 33892256 | | Semi-beta-carotenone,1TBDMS,isomer #1 | CC(=CCCC(C)(C)C(=O)/C=C/C(C)=C/C=C/C(C)=C/C=C/C=C(C)/C=C\C=C(C)/C=C/C1=C(C)CCCC1(C)C)O[Si](C)(C)C(C)(C)C | 4810.2 | Standard non polar | 33892256 | | Semi-beta-carotenone,1TBDMS,isomer #2 | C=C(CCCC(C)(C)C(=O)/C=C/C(C)=C/C=C/C(C)=C/C=C/C=C(C)/C=C\C=C(C)/C=C/C1=C(C)CCCC1(C)C)O[Si](C)(C)C(C)(C)C | 4865.9 | Semi standard non polar | 33892256 | | Semi-beta-carotenone,1TBDMS,isomer #2 | C=C(CCCC(C)(C)C(=O)/C=C/C(C)=C/C=C/C(C)=C/C=C/C=C(C)/C=C\C=C(C)/C=C/C1=C(C)CCCC1(C)C)O[Si](C)(C)C(C)(C)C | 4710.9 | Standard non polar | 33892256 |
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