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Lorazepam

Base Information Edit
  • Chemical Name:Lorazepam
  • CAS No.:846-49-1
  • Molecular Formula:C15H10Cl2N2O2
  • Molecular Weight:321.163
  • Hs Code.:2933910000
  • European Community (EC) Number:212-687-6
  • NSC Number:289758
  • UNII:O26FZP769L
  • DSSTox Substance ID:DTXSID7023225
  • Nikkaji Number:J3.337E
  • Wikipedia:Lorazepam
  • Wikidata:Q408265
  • NCI Thesaurus Code:C619
  • RXCUI:6470
  • Pharos Ligand ID:1WCX3CYLHHPH
  • Metabolomics Workbench ID:42594
  • ChEMBL ID:CHEMBL580
  • Mol file:846-49-1.mol
Lorazepam

Synonyms:Apo Lorazepam;Apo-Lorazepam;Ativan;Donix;Duralozam;Durazolam;Idalprem;Laubeel;lorazep von ct;Lorazepam;Lorazepam Medical;Lorazepam neuraxpharm;Lorazepam ratiopharm;Lorazepam-neuraxpharm;Lorazepam-ratiopharm;Medical, Lorazepam;Novo Lorazem;Novo-Lorazem;Nu Loraz;Nu-Loraz;Orfidal Wyeth;Sedicepan;Sinestron;Somagerol;Témesta;Temesta;Tolid;Von Ct, Lorazep;WY 4036;WY-4036;WY4036;Wyeth, Orfidal

 This product is a nationally controlled contraband, and the Lookchem platform doesn't provide relevant sales information.

Chemical Property of Lorazepam Edit
Chemical Property:
  • Appearance/Colour:White crystalline solid 
  • Melting Point:166-168 °C 
  • Refractive Index:1.6070 (estimate) 
  • Boiling Point:533.8 °C at 760 mmHg 
  • PKA:pK1 1.3; pK2 11.5(at 25℃) 
  • Flash Point:276.7 °C 
  • PSA:61.69000 
  • Density:1.52 g/cm3 
  • LogP:2.67490 
  • Storage Temp.:−20°C 
  • Solubility.:Practically insoluble in water, sparingly soluble in ethanol (96 per cent), sparingly soluble or slightly soluble in methylene chloride. 
  • Water Solubility.:54mg/L(temperature not stated) 
  • XLogP3:2.4
  • Hydrogen Bond Donor Count:2
  • Hydrogen Bond Acceptor Count:3
  • Rotatable Bond Count:1
  • Exact Mass:320.0119330
  • Heavy Atom Count:21
  • Complexity:443
Purity/Quality:
Safty Information:
  • Pictogram(s): HarmfulXn,ToxicT,Flammable
  • Hazard Codes:Xn,T,F 
  • Statements: 63-39/23/24/25-23/24/25-11-36-20/21/22 
  • Safety Statements: 36/37-45-16 
MSDS Files:

SDS file from LookChem

Useful:
  • Drug Classes:Benzodiazepines, Antianxiety Agents
  • Canonical SMILES:C1=CC=C(C(=C1)C2=NC(C(=O)NC3=C2C=C(C=C3)Cl)O)Cl
  • Recent ClinicalTrials:Lorazepam Sedation for Critically Ill Children
  • Recent EU Clinical Trials:Reducing pain and discomfort during and after bone marrow aspiration
  • Recent NIPH Clinical Trials:Study about the efficacy of lorazepam as a premedication for the disabled patients showing serious maladaptive behaviors in dentistry
  • Uses An anxiolytic, and anticonvulsant. Controlled substance (depressant)
  • Therapeutic Function Tranquilizer
Technology Process of Lorazepam

There total 12 articles about Lorazepam which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:
Guidance literature:
In dichloromethane; toluene; at 25 ℃; for 1h; Heating / reflux;
Guidance literature:
Guidance literature:
With sodium hydroxide; In ethanol; at 10 ℃; for 0.116667h;