| 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 08:35:19 UTC |
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| Update Date | 2021-09-26 23:03:08 UTC |
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| HMDB ID | HMDB0251256 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | Difenoxin |
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| Description | Difenoxin, also known as diphenoxilic acid or diphenoxilate, belongs to the class of organic compounds known as diphenylacetonitriles. These are cyclic aromatic compounds containing a diphenylacetonitrile moiety, which consists of a diphenylmethane linked to and acetonitrile to form 2,2-diphenylacetonitrile. Based on a literature review very few articles have been published on Difenoxin. This compound has been identified in human blood as reported by (PMID: 31557052 ). Difenoxin is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Difenoxin 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 | OC(=O)C1(CCN(CCC(C#N)(C2=CC=CC=C2)C2=CC=CC=C2)CC1)C1=CC=CC=C1 InChI=1S/C28H28N2O2/c29-22-28(24-12-6-2-7-13-24,25-14-8-3-9-15-25)18-21-30-19-16-27(17-20-30,26(31)32)23-10-4-1-5-11-23/h1-15H,16-21H2,(H,31,32) |
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| Synonyms | | Value | Source |
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| 1-(3-Cyano-3,3-diphenylpropyl)-4-phenylisonipecotic acid | ChEBI | | Difenoxina | ChEBI | | Difenoxinum | ChEBI | | Diphenoxilic acid | ChEBI | | Diphenoxylic acid | ChEBI | | 1-(3-Cyano-3,3-diphenylpropyl)-4-phenylisonipecotate | Generator | | Diphenoxilate | Generator | | Diphenoxylate | Generator | | Difenoxin hydrochloride, 14C-labeled | MeSH | | Difenoxin hydrochloride | MeSH |
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| Chemical Formula | C28H28N2O2 |
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| Average Molecular Weight | 424.5341 |
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| Monoisotopic Molecular Weight | 424.21507815 |
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| IUPAC Name | 1-(3-cyano-3,3-diphenylpropyl)-4-phenylpiperidine-4-carboxylic acid |
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| Traditional Name | difenoxin |
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| CAS Registry Number | Not Available |
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| SMILES | OC(=O)C1(CCN(CCC(C#N)(C2=CC=CC=C2)C2=CC=CC=C2)CC1)C1=CC=CC=C1 |
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| InChI Identifier | InChI=1S/C28H28N2O2/c29-22-28(24-12-6-2-7-13-24,25-14-8-3-9-15-25)18-21-30-19-16-27(17-20-30,26(31)32)23-10-4-1-5-11-23/h1-15H,16-21H2,(H,31,32) |
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| InChI Key | UFIVBRCCIRTJTN-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as diphenylacetonitriles. These are cyclic aromatic compounds containing a diphenylacetonitrile moiety, which consists of a diphenylmethane linked to and acetonitrile to form 2,2-diphenylacetonitrile. |
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| Kingdom | Organic compounds |
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| Super Class | Benzenoids |
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| Class | Benzene and substituted derivatives |
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| Sub Class | Diphenylacetonitriles |
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| Direct Parent | Diphenylacetonitriles |
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| Alternative Parents | |
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| Substituents | - Diphenylacetonitrile
- Diphenylmethane
- Phenylpiperidine
- Piperidinecarboxylic acid
- Aralkylamine
- Piperidine
- Amino acid or derivatives
- Amino acid
- Tertiary aliphatic amine
- Tertiary amine
- Carboxylic acid derivative
- Azacycle
- Organoheterocyclic compound
- Carboxylic acid
- Monocarboxylic acid or derivatives
- Carbonitrile
- Nitrile
- Organopnictogen compound
- Organonitrogen compound
- Organooxygen compound
- Organic oxygen compound
- Organic nitrogen compound
- Amine
- Hydrocarbon derivative
- Carbonyl group
- Organic oxide
- Aromatic heteromonocyclic compound
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| Molecular Framework | Aromatic heteromonocyclic 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 | 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 | 13.6236 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.98 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 2208.8 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 253.8 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 223.4 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 191.6 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 190.9 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 573.0 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 | 499.5 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 233.1 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1185.2 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 553.3 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 | 1460.5 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 329.4 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 382.5 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 242.8 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 220.1 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 | 7.9 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatized |
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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 - Difenoxin GC-MS (Non-derivatized) - 70eV, Positive | splash10-00vi-4594000000-592428f9d29c6f985192 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Difenoxin GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Difenoxin GC-MS (TMS_1_1) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Difenoxin GC-MS (TBDMS_1_1) - 70eV, Positive | Not Available | 2021-11-03 | 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 - Difenoxin 10V, Positive-QTOF | splash10-056r-0013900000-6d0509703a1aeec27ae9 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Difenoxin 20V, Positive-QTOF | splash10-0c2c-0339300000-d349b4585ed57b3e9a0a | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Difenoxin 40V, Positive-QTOF | splash10-00di-0963000000-a9637f11bc12d510f9c7 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Difenoxin 10V, Negative-QTOF | splash10-00di-0003900000-8b709fa8ebb5bb2baa07 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Difenoxin 20V, Negative-QTOF | splash10-00b9-1549500000-ffaf76069ceaf59f5fc4 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Difenoxin 40V, Negative-QTOF | splash10-06vl-4920000000-60617e604e89a34bbb59 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Difenoxin 10V, Positive-QTOF | splash10-004i-0002900000-e1c2bfc5313761b048d0 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Difenoxin 20V, Positive-QTOF | splash10-004i-0119200000-59d346f8462209b6d01d | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Difenoxin 40V, Positive-QTOF | splash10-014l-0912200000-8accad1ed1e964ebcd7a | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Difenoxin 10V, Negative-QTOF | splash10-00di-0000900000-ca723da07ef4bcdae414 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Difenoxin 20V, Negative-QTOF | splash10-00dl-0007900000-db96e710b14faa0dc476 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Difenoxin 40V, Negative-QTOF | splash10-00di-4758900000-42912b18f7a0e713fb55 | 2021-10-12 | Wishart Lab | View Spectrum |
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