| 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 02:31:08 UTC |
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| Update Date | 2022-03-07 02:56:47 UTC |
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| HMDB ID | HMDB0040906 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Coixinden B |
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| Description | Coixinden B belongs to the class of organic compounds known as indenes and isoindenes. Indenes and isoindenes are compounds containing an indene moiety(which consists of a cyclopentadiene fused to a benzene ring), or a isoindene moiety (which consists of a cyclopentadiene fused to cyclohexadiene ring). Coixinden B has been detected, but not quantified in, several different foods, such as black tea, green tea, arabica coffees (Coffea arabica), herbal tea, and teas (Camellia sinensis). This could make coixinden b a potential biomarker for the consumption of these foods. Based on a literature review a significant number of articles have been published on Coixinden B. |
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| Structure | COC1=CC(O)(C(C)=O)C2=C1C=C(OC)C=C2 InChI=1S/C13H14O4/c1-8(14)13(15)7-12(17-3)10-6-9(16-2)4-5-11(10)13/h4-7,15H,1-3H3 |
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| Synonyms | | Value | Source |
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| 1-Acetyl-1-hydroxy-3,5-dimethoxy-1H-indene | HMDB |
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| Chemical Formula | C13H14O4 |
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| Average Molecular Weight | 234.2479 |
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| Monoisotopic Molecular Weight | 234.089208936 |
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| IUPAC Name | 1-(1-hydroxy-3,5-dimethoxy-1H-inden-1-yl)ethan-1-one |
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| Traditional Name | 1-(1-hydroxy-3,5-dimethoxyinden-1-yl)ethanone |
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| CAS Registry Number | 151466-74-9 |
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| SMILES | COC1=CC(O)(C(C)=O)C2=C1C=C(OC)C=C2 |
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| InChI Identifier | InChI=1S/C13H14O4/c1-8(14)13(15)7-12(17-3)10-6-9(16-2)4-5-11(10)13/h4-7,15H,1-3H3 |
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| InChI Key | BIUULCNWWFDCPG-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as indenes and isoindenes. Indenes and isoindenes are compounds containing an indene moiety(which consists of a cyclopentadiene fused to a benzene ring), or a isoindene moiety (which consists of a cyclopentadiene fused to cyclohexadiene ring). |
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| Kingdom | Organic compounds |
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| Super Class | Benzenoids |
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| Class | Indenes and isoindenes |
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| Sub Class | Not Available |
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| Direct Parent | Indenes and isoindenes |
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| Alternative Parents | |
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| Substituents | - Indene
- Anisole
- Alkyl aryl ether
- Tertiary alcohol
- Alpha-hydroxy ketone
- Ketone
- Ether
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- Alcohol
- Aromatic homopolycyclic compound
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| Molecular Framework | Aromatic homopolycyclic 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 | |
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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 | 3660 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. | 5.66 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 11.9859 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.37 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1870.1 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 306.9 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 144.3 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 180.8 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 83.6 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 430.4 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 | 538.1 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 79.5 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 988.5 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 377.3 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 | 1255.5 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 313.5 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 370.9 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 342.2 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 268.5 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 | 34.1 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Coixinden B,1TMS,isomer #1 | COC1=CC(O[Si](C)(C)C)(C(C)=O)C2=CC=C(OC)C=C12 | 1956.2 | Semi standard non polar | 33892256 | | Coixinden B,1TMS,isomer #2 | C=C(O[Si](C)(C)C)C1(O)C=C(OC)C2=CC(OC)=CC=C21 | 1929.9 | Semi standard non polar | 33892256 | | Coixinden B,2TMS,isomer #1 | C=C(O[Si](C)(C)C)C1(O[Si](C)(C)C)C=C(OC)C2=CC(OC)=CC=C21 | 2006.2 | Semi standard non polar | 33892256 | | Coixinden B,2TMS,isomer #1 | C=C(O[Si](C)(C)C)C1(O[Si](C)(C)C)C=C(OC)C2=CC(OC)=CC=C21 | 1952.9 | Standard non polar | 33892256 | | Coixinden B,1TBDMS,isomer #1 | COC1=CC(O[Si](C)(C)C(C)(C)C)(C(C)=O)C2=CC=C(OC)C=C12 | 2187.5 | Semi standard non polar | 33892256 | | Coixinden B,1TBDMS,isomer #2 | C=C(O[Si](C)(C)C(C)(C)C)C1(O)C=C(OC)C2=CC(OC)=CC=C21 | 2175.2 | Semi standard non polar | 33892256 | | Coixinden B,2TBDMS,isomer #1 | C=C(O[Si](C)(C)C(C)(C)C)C1(O[Si](C)(C)C(C)(C)C)C=C(OC)C2=CC(OC)=CC=C21 | 2462.5 | Semi standard non polar | 33892256 | | Coixinden B,2TBDMS,isomer #1 | C=C(O[Si](C)(C)C(C)(C)C)C1(O[Si](C)(C)C(C)(C)C)C=C(OC)C2=CC(OC)=CC=C21 | 2384.3 | 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 - Coixinden B GC-MS (Non-derivatized) - 70eV, Positive | splash10-0006-5900000000-b10bc019ef5b640de86b | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Coixinden B GC-MS (1 TMS) - 70eV, Positive | splash10-0006-9160000000-0783a0d62f46626365a0 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Coixinden B 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 - Coixinden B 10V, Positive-QTOF | splash10-000i-0190000000-435c18a51f3e3f5eec94 | 2015-04-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Coixinden B 20V, Positive-QTOF | splash10-000i-0390000000-4ac18a7868ef3a08b226 | 2015-04-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Coixinden B 40V, Positive-QTOF | splash10-06ri-1910000000-dd4efc1003b5ea8aa792 | 2015-04-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Coixinden B 10V, Negative-QTOF | splash10-001i-0090000000-f42170f88740975552bd | 2015-04-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Coixinden B 20V, Negative-QTOF | splash10-001l-0970000000-8a8e7e849c5d942af7bc | 2015-04-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Coixinden B 40V, Negative-QTOF | splash10-0a6r-2910000000-ecd65e5b2205be9ca193 | 2015-04-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Coixinden B 10V, Positive-QTOF | splash10-000i-0090000000-206d6fd892de952dcddf | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Coixinden B 20V, Positive-QTOF | splash10-000i-1390000000-44b125a3f4f7ccde45e4 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Coixinden B 40V, Positive-QTOF | splash10-0a4l-6900000000-0e3789ee667532d7f706 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Coixinden B 10V, Negative-QTOF | splash10-001i-0190000000-468e6d7303c3ae741c29 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Coixinden B 20V, Negative-QTOF | splash10-001l-4790000000-74f1ba89d450a064cffe | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Coixinden B 40V, Negative-QTOF | splash10-01xx-5900000000-079c1abb8c9e2deecc58 | 2021-09-25 | Wishart Lab | View Spectrum |
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