| 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 02:52:01 UTC |
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| HMDB ID | HMDB0015527 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Prazepam |
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| Description | Prazepam, also known as demetrin or centrax, belongs to the class of organic compounds known as 1,4-benzodiazepines. These are organic compounds containing a benzene ring fused to a 1,4-azepine. Prazepam is a drug which is used for the treatment of anxiety disorders. Prazepam is a strong basic compound (based on its pKa). Prazepam is a potentially toxic compound. Abrupt or over-rapid discontinuation of prazepam after long-term use, even at low dosage, may result in a protracted withdrawal syndrome. Side effects of prazepam are less profound than with other benzodiazepines. Benzodiazepines require special precaution if used in the elderly, during pregnancy, in children, alcohol or drug-dependent individuals and individuals with comorbid psychiatric disorders. Animal studies have found prazepam taken during pregnancy results in delayed growth and causes reproductive abnormalities. |
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| Structure | ClC1=CC2=C(C=C1)N(CC1CC1)C(=O)CN=C2C1=CC=CC=C1 InChI=1S/C19H17ClN2O/c20-15-8-9-17-16(10-15)19(14-4-2-1-3-5-14)21-11-18(23)22(17)12-13-6-7-13/h1-5,8-10,13H,6-7,11-12H2 |
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| Synonyms | | Value | Source |
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| Centrax | Kegg | | Parke davis brand OF prazepam | HMDB | | Warner-lambert brand OF prazepam | HMDB | | Demetrin | HMDB | | Pfizer brand OF prazepam | HMDB | | Reapam | HMDB | | Lysanxia | HMDB | | mono Demetrin | HMDB | | United drug brand OF prazepam | HMDB |
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| Chemical Formula | C19H17ClN2O |
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| Average Molecular Weight | 324.804 |
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| Monoisotopic Molecular Weight | 324.102940883 |
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| IUPAC Name | 7-chloro-1-(cyclopropylmethyl)-5-phenyl-2,3-dihydro-1H-1,4-benzodiazepin-2-one |
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| Traditional Name | prazepam |
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| CAS Registry Number | 2955-38-6 |
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| SMILES | ClC1=CC2=C(C=C1)N(CC1CC1)C(=O)CN=C2C1=CC=CC=C1 |
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| InChI Identifier | InChI=1S/C19H17ClN2O/c20-15-8-9-17-16(10-15)19(14-4-2-1-3-5-14)21-11-18(23)22(17)12-13-6-7-13/h1-5,8-10,13H,6-7,11-12H2 |
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| InChI Key | MWQCHHACWWAQLJ-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as 1,4-benzodiazepines. These are organic compounds containing a benzene ring fused to a 1,4-azepine. |
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| Kingdom | Organic compounds |
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| Super Class | Organoheterocyclic compounds |
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| Class | Benzodiazepines |
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| Sub Class | 1,4-benzodiazepines |
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| Direct Parent | 1,4-benzodiazepines |
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| Alternative Parents | |
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| Substituents | - 1,4-benzodiazepine
- Alpha-amino acid or derivatives
- Aryl chloride
- Aryl halide
- Monocyclic benzene moiety
- Benzenoid
- Tertiary carboxylic acid amide
- Carboxamide group
- Ketimine
- Lactam
- Carboxylic acid derivative
- Azacycle
- Propargyl-type 1,3-dipolar organic compound
- Organic 1,3-dipolar compound
- Hydrocarbon derivative
- Organooxygen compound
- Organonitrogen compound
- Organochloride
- Organohalogen compound
- Organic oxygen compound
- Imine
- Organic nitrogen compound
- Carbonyl group
- Organic oxide
- Organopnictogen compound
- Aromatic heteropolycyclic compound
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| Molecular Framework | Aromatic heteropolycyclic 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 | Solid |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | 145 - 146 °C | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | 0.004 g/L | Not Available | | LogP | 3.73 | HANSCH,C ET AL. (1995) |
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| Experimental Chromatographic Properties | Experimental Collision Cross Sections| Adduct Type | Data Source | CCS Value (Å2) | Reference |
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| [M+H]+ | CBM | 174.0 | 30932474 |
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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. | 6.78 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 16.7215 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.06 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 26.7 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 2466.5 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 491.7 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 206.7 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 253.4 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 440.5 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 725.8 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 | 703.4 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 73.8 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1508.3 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 555.6 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 | 1598.2 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 431.0 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 420.0 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 363.2 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 233.8 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 | 7.8 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 - Prazepam GC-MS (Non-derivatized) - 70eV, Positive | splash10-002e-3090000000-85ecde8de7c9923c1afc | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Prazepam GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Prazepam GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | MS | Mass Spectrum (Electron Ionization) | splash10-00r5-3391000000-0113e86cca51d223d412 | 2014-09-20 | Not Available | View Spectrum |
MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Experimental LC-MS/MS | LC-MS/MS Spectrum - Prazepam 35V, Positive-QTOF | splash10-00b9-0098000000-121cdb4df09299b2a55f | 2021-09-20 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Prazepam 10V, Positive-QTOF | splash10-056r-5009000000-0f619abd238690bf909e | 2016-08-02 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Prazepam 20V, Positive-QTOF | splash10-0a4i-9022000000-7d0f4b34a0dc683c936a | 2016-08-02 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Prazepam 40V, Positive-QTOF | splash10-0a4i-9000000000-7386d4be3880cf54c894 | 2016-08-02 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Prazepam 10V, Negative-QTOF | splash10-00di-0029000000-d01af5072c81e6d91456 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Prazepam 20V, Negative-QTOF | splash10-00xr-1097000000-243b0ed20eedd8c76c72 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Prazepam 40V, Negative-QTOF | splash10-0006-9460000000-91a4eb6554df563a3898 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Prazepam 10V, Positive-QTOF | splash10-004i-0009000000-db9fa6607403d494beac | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Prazepam 20V, Positive-QTOF | splash10-0032-0094000000-cc4f8e8cd82551329624 | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Prazepam 40V, Positive-QTOF | splash10-05n3-4190000000-fa9f154eaa14bdf4214a | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Prazepam 10V, Negative-QTOF | splash10-00di-0009000000-33c2d52f8e6510237ee4 | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Prazepam 20V, Negative-QTOF | splash10-00yi-3095000000-d45edb96f10dbdf7642e | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Prazepam 40V, Negative-QTOF | splash10-001i-9070000000-47517480edb6242ad95f | 2021-10-11 | Wishart Lab | View Spectrum |
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