| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2012-09-06 15:16:52 UTC |
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| Update Date | 2022-03-07 02:52:03 UTC |
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| HMDB ID | HMDB0015613 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Ecabet |
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| Description | Ecabet is a prescription eye drop for the treatment of dry eye syndrome. Ecabet represents a new class of molecules that increases the quantity and quality of mucin produced by conjunctival goblet cells and corneal epithelia. Mucin is a glycoprotein component of tear film that lubricates while retarding moisture loss from tear evaporation. Ecabet is currently marketed in Japan as an oral agent for treatment of gastric ulcers and gastritis. |
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| Structure | [H][C@@]12CCC3=CC(C(C)C)=C(C=C3[C@@]1(C)CCC[C@@]2(C)C(O)=O)S(O)(=O)=O InChI=1S/C20H28O5S/c1-12(2)14-10-13-6-7-17-19(3,8-5-9-20(17,4)18(21)22)15(13)11-16(14)26(23,24)25/h10-12,17H,5-9H2,1-4H3,(H,21,22)(H,23,24,25)/t17-,19-,20-/m1/s1 |
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| Synonyms | | Value | Source |
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| Ecabet sodium | HMDB | | 12-Sulfodehydroabietic acid | HMDB | | 1,2,3,4,4a,9,10,10a-Octahydro-1,4a-dimethyl-7-(1-methylethyl)-6-sulfO-1-phenanthrenecarboxylic acid 6-sodium salt | HMDB |
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| Chemical Formula | C20H28O5S |
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| Average Molecular Weight | 380.498 |
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| Monoisotopic Molecular Weight | 380.165744696 |
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| IUPAC Name | (1R,4aS,10aR)-1,4a-dimethyl-7-(propan-2-yl)-6-sulfo-1,2,3,4,4a,9,10,10a-octahydrophenanthrene-1-carboxylic acid |
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| Traditional Name | ecabet |
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| CAS Registry Number | 86408-72-2 |
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| SMILES | [H][C@@]12CCC3=CC(C(C)C)=C(C=C3[C@@]1(C)CCC[C@@]2(C)C(O)=O)S(O)(=O)=O |
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| InChI Identifier | InChI=1S/C20H28O5S/c1-12(2)14-10-13-6-7-17-19(3,8-5-9-20(17,4)18(21)22)15(13)11-16(14)26(23,24)25/h10-12,17H,5-9H2,1-4H3,(H,21,22)(H,23,24,25)/t17-,19-,20-/m1/s1 |
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| InChI Key | IWCWQNVIUXZOMJ-MISYRCLQSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as diterpenoids. These are terpene compounds formed by four 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 | Diterpenoids |
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| Direct Parent | Diterpenoids |
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| Alternative Parents | |
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| Substituents | - Abietane diterpenoid
- Diterpenoid
- Hydrophenanthrene
- Phenanthrene
- Tetralin
- 1-sulfo,2-unsubstituted aromatic compound
- Arylsulfonic acid or derivatives
- Benzenoid
- Sulfonyl
- Organosulfonic acid
- Organosulfonic acid or derivatives
- Organic sulfonic acid or derivatives
- Carboxylic acid derivative
- Carboxylic acid
- Monocarboxylic acid or derivatives
- Organic oxide
- Organic oxygen compound
- Organosulfur compound
- Hydrocarbon derivative
- Carbonyl group
- Organooxygen compound
- Aromatic homopolycyclic compound
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| Molecular Framework | Aromatic homopolycyclic 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 | 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 | 0.0043 g/L | 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. | 7.98 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 13.9323 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.56 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 2285.1 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 259.1 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 185.1 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 167.7 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 153.9 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 609.8 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 | 522.9 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 100.7 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1128.5 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 509.0 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 | 1445.4 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 370.3 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 348.3 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 241.0 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 202.8 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 | 19.0 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Ecabet,1TMS,isomer #1 | CC(C)C1=CC2=C(C=C1S(=O)(=O)O)[C@@]1(C)CCC[C@@](C)(C(=O)O[Si](C)(C)C)[C@@H]1CC2 | 3012.8 | Semi standard non polar | 33892256 | | Ecabet,1TMS,isomer #2 | CC(C)C1=CC2=C(C=C1S(=O)(=O)O[Si](C)(C)C)[C@@]1(C)CCC[C@@](C)(C(=O)O)[C@@H]1CC2 | 3054.8 | Semi standard non polar | 33892256 | | Ecabet,2TMS,isomer #1 | CC(C)C1=CC2=C(C=C1S(=O)(=O)O[Si](C)(C)C)[C@@]1(C)CCC[C@@](C)(C(=O)O[Si](C)(C)C)[C@@H]1CC2 | 2956.2 | Semi standard non polar | 33892256 | | Ecabet,2TMS,isomer #1 | CC(C)C1=CC2=C(C=C1S(=O)(=O)O[Si](C)(C)C)[C@@]1(C)CCC[C@@](C)(C(=O)O[Si](C)(C)C)[C@@H]1CC2 | 3182.5 | Standard non polar | 33892256 | | Ecabet,2TMS,isomer #1 | CC(C)C1=CC2=C(C=C1S(=O)(=O)O[Si](C)(C)C)[C@@]1(C)CCC[C@@](C)(C(=O)O[Si](C)(C)C)[C@@H]1CC2 | 3445.3 | Standard polar | 33892256 | | Ecabet,1TBDMS,isomer #1 | CC(C)C1=CC2=C(C=C1S(=O)(=O)O)[C@@]1(C)CCC[C@@](C)(C(=O)O[Si](C)(C)C(C)(C)C)[C@@H]1CC2 | 3258.7 | Semi standard non polar | 33892256 | | Ecabet,1TBDMS,isomer #2 | CC(C)C1=CC2=C(C=C1S(=O)(=O)O[Si](C)(C)C(C)(C)C)[C@@]1(C)CCC[C@@](C)(C(=O)O)[C@@H]1CC2 | 3289.2 | Semi standard non polar | 33892256 | | Ecabet,2TBDMS,isomer #1 | CC(C)C1=CC2=C(C=C1S(=O)(=O)O[Si](C)(C)C(C)(C)C)[C@@]1(C)CCC[C@@](C)(C(=O)O[Si](C)(C)C(C)(C)C)[C@@H]1CC2 | 3416.9 | Semi standard non polar | 33892256 | | Ecabet,2TBDMS,isomer #1 | CC(C)C1=CC2=C(C=C1S(=O)(=O)O[Si](C)(C)C(C)(C)C)[C@@]1(C)CCC[C@@](C)(C(=O)O[Si](C)(C)C(C)(C)C)[C@@H]1CC2 | 3705.4 | Standard non polar | 33892256 | | Ecabet,2TBDMS,isomer #1 | CC(C)C1=CC2=C(C=C1S(=O)(=O)O[Si](C)(C)C(C)(C)C)[C@@]1(C)CCC[C@@](C)(C(=O)O[Si](C)(C)C(C)(C)C)[C@@H]1CC2 | 3614.9 | 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 - Ecabet GC-MS (Non-derivatized) - 70eV, Positive | splash10-0i2c-0098000000-8616f99fe7bf5b6d3cf2 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Ecabet GC-MS (1 TMS) - 70eV, Positive | splash10-00dr-5009600000-09b033920fd770aab535 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Ecabet 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 - Ecabet 10V, Positive-QTOF | splash10-01q9-0009000000-6c6e7efeb17e3ddff08d | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ecabet 20V, Positive-QTOF | splash10-0gws-0298000000-bfea21abd97ffe77fe70 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ecabet 40V, Positive-QTOF | splash10-0gb9-6392000000-7fa1bb2495b98264ae56 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ecabet 10V, Negative-QTOF | splash10-004i-0009000000-c9f3d0b1ddc4027d2a84 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ecabet 20V, Negative-QTOF | splash10-002r-1019000000-8486ba86bc8df2348a8a | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ecabet 40V, Negative-QTOF | splash10-001i-9032000000-ac5dddf82db200b21623 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ecabet 10V, Positive-QTOF | splash10-000i-0019000000-5d1a6665c9017dade4e4 | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ecabet 20V, Positive-QTOF | splash10-000i-0098000000-a0f92753929735b5d1d1 | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ecabet 40V, Positive-QTOF | splash10-0udi-1290000000-34fa1f1e7c3c30248066 | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ecabet 10V, Negative-QTOF | splash10-004i-0009000000-5a6d090cebfd7793f522 | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ecabet 20V, Negative-QTOF | splash10-004i-2019000000-1e05eee16560fd57ed6a | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ecabet 40V, Negative-QTOF | splash10-001i-9022000000-2f12176e3bed15ca411e | 2021-10-11 | Wishart Lab | View Spectrum |
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