Lorazepam
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- $24 - $972.5
- Product name: Lorazepam
- CAS: 846-49-1
- MF: C15H10Cl2N2O2
- MW: 321.16
- EINECS:212-687-6
- MDL Number:MFCD00063406
- Synonyms:(±)-Lorazepam solution;8133 CB;7-chloro-5-(2-chlorophenyl)-3-hydroxy-1,3-dihydro-1,4-benzodiazepin-2-one;7-Chloro-5-(2-chlorophenyl)-1,3-dihydro-3-hydroxy-2H-1,4-benzodiazepine-2-one;Lorazepam CIV (200 mg)I1D4040.998mg/mg(ai);Lorazepam CIV (200 mg);Acetonitrile( Test Lorazepam, 1.0 mg/mL );LorazepaM (CIV), USP
14 prices
Selected condition：
Brand
- Biosynth
- Cayman Chemical
- Sigma-Aldrich
Package
- 10mg
- 25mg
- 1mg
- l0750500
- 50mg
- 100mg
- 200mg
- 250mg
- 500MG
- 1mL
- 15 mg
- ManufacturerBiosynth
- Product numberFL24937
- Product descriptionLorazepam
- Packaging25mg
- Price$162.25
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFL24937
- Product descriptionLorazepam
- Packaging50mg
- Price$259.5
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFL24937
- Product descriptionLorazepam
- Packaging100mg
- Price$454
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFL24937
- Product descriptionLorazepam
- Packaging250mg
- Price$972.5
- Updated2026-06-04
- Buy
- ManufacturerCayman Chemical
- Product number15891
- Product descriptionLorazepam ≥98%
- Packaging1mg
- Price$24
- Updated2026-04-30
- Buy
- ManufacturerCayman Chemical
- Product numberISO60202
- Product descriptionLorazepam (CRM)
- Packaging1mg
- Price$26
- Updated2026-04-30
- Buy
- ManufacturerCayman Chemical
- Product number15891
- Product descriptionLorazepam ≥98%
- Packaging10mg
- Price$55
- Updated2026-04-30
- Buy
- ManufacturerSigma-Aldrich
- Product numberL1764
- Product description(±)-Lorazepam
- Packaging50mg
- Price$143
- Updated2026-04-30
- Buy
- ManufacturerSigma-Aldrich
- Product numberL0750500
- Product descriptionLorazepam European Pharmacopoeia (EP) Reference Standard
- Packagingl0750500
- Price$152
- Updated2024-03-01
- Buy
- ManufacturerSigma-Aldrich
- Product numberL-901
- Product descriptionLorazepam solution 1.0?mg/mLinacetonitrile,ampuleof1?mL,certifiedreferencematerial,Cerilli
- Packaging1mL
- Price$29.5
- Updated2026-04-30
- Buy
- ManufacturerSigma-Aldrich
- Product numberBP434
- Product descriptionLorazepam British Pharmacopoeia (BP) Reference Standard
- Packaging100MG
- Price$270
- Updated2026-04-30
- Buy
- ManufacturerSigma-Aldrich
- Product numberL0750500
- Product descriptionLorazepam European Pharmacopoeia (EP) Reference Standard
- Packaging15 mg
- Price$166
- Updated2026-04-30
- Buy
- ManufacturerSigma-Aldrich
- Product numberPHR8985
- Product descriptionLorazepam certified reference material, pharmaceutical secondary standard
- Packaging500MG
- Price$233
- Updated2026-04-30
- Buy
- ManufacturerSigma-Aldrich
- Product number1370305
- Product descriptionLorazepam United States Pharmacopeia (USP) Reference Standard
- Packaging200mg
- Price$579
- Updated2026-04-30
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| Biosynth | FL24937 | Lorazepam | 25mg | $162.25 | 2026-06-04 | Buy |
| Biosynth | FL24937 | Lorazepam | 50mg | $259.5 | 2026-06-04 | Buy |
| Biosynth | FL24937 | Lorazepam | 100mg | $454 | 2026-06-04 | Buy |
| Biosynth | FL24937 | Lorazepam | 250mg | $972.5 | 2026-06-04 | Buy |
| Cayman Chemical | 15891 | Lorazepam ≥98% | 1mg | $24 | 2026-04-30 | Buy |
| Cayman Chemical | ISO60202 | Lorazepam (CRM) | 1mg | $26 | 2026-04-30 | Buy |
| Cayman Chemical | 15891 | Lorazepam ≥98% | 10mg | $55 | 2026-04-30 | Buy |
| Sigma-Aldrich | L1764 | (±)-Lorazepam | 50mg | $143 | 2026-04-30 | Buy |
| Sigma-Aldrich | L0750500 | Lorazepam European Pharmacopoeia (EP) Reference Standard | l0750500 | $152 | 2024-03-01 | Buy |
| Sigma-Aldrich | L-901 | Lorazepam solution 1.0?mg/mLinacetonitrile,ampuleof1?mL,certifiedreferencematerial,Cerilli | 1mL | $29.5 | 2026-04-30 | Buy |
| Sigma-Aldrich | BP434 | Lorazepam British Pharmacopoeia (BP) Reference Standard | 100MG | $270 | 2026-04-30 | Buy |
| Sigma-Aldrich | L0750500 | Lorazepam European Pharmacopoeia (EP) Reference Standard | 15 mg | $166 | 2026-04-30 | Buy |
| Sigma-Aldrich | PHR8985 | Lorazepam certified reference material, pharmaceutical secondary standard | 500MG | $233 | 2026-04-30 | Buy |
| Sigma-Aldrich | 1370305 | Lorazepam United States Pharmacopeia (USP) Reference Standard | 200mg | $579 | 2026-04-30 | Buy |
Properties
Melting point :166-168°C
Boiling point :533.8±50.0 °C(Predicted)
Density :1.4835 (rough estimate)
refractive index :1.6070 (estimate)
Flash point :11 °C
storage temp. :−20°C
solubility :Practically insoluble in water, sparingly soluble in ethanol (96 per cent), sparingly soluble or slightly soluble in methylene chloride.
pka :pK1 1.3; pK2 11.5(at 25℃)
Water Solubility :54mg/L(temperature not stated)
BCS Class :1
Stability :hygroscopic
Major Application :pharmaceutical
InChI :1S/C15H10Cl2N2O2/c16-8-5-6-12-10(7-8)13(19-15(21)14(20)18-12)9-3-1-2-4-11(9)17/h1-7,15,21H,(H,18,20)
InChIKey :DIWRORZWFLOCLC-UHFFFAOYSA-N
SMILES :OC1N=C(c2ccccc2Cl)c3cc(Cl)ccc3NC1=O
CAS DataBase Reference :846-49-1(CAS DataBase Reference)
NIST Chemistry Reference :Lorazepam(846-49-1)
EPA Substance Registry System :Lorazepam (846-49-1)
Boiling point :533.8±50.0 °C(Predicted)
Density :1.4835 (rough estimate)
refractive index :1.6070 (estimate)
Flash point :11 °C
storage temp. :−20°C
solubility :Practically insoluble in water, sparingly soluble in ethanol (96 per cent), sparingly soluble or slightly soluble in methylene chloride.
pka :pK1 1.3; pK2 11.5(at 25℃)
Water Solubility :54mg/L(temperature not stated)
BCS Class :1
Stability :hygroscopic
Major Application :pharmaceutical
InChI :1S/C15H10Cl2N2O2/c16-8-5-6-12-10(7-8)13(19-15(21)14(20)18-12)9-3-1-2-4-11(9)17/h1-7,15,21H,(H,18,20)
InChIKey :DIWRORZWFLOCLC-UHFFFAOYSA-N
SMILES :OC1N=C(c2ccccc2Cl)c3cc(Cl)ccc3NC1=O
CAS DataBase Reference :846-49-1(CAS DataBase Reference)
NIST Chemistry Reference :Lorazepam(846-49-1)
EPA Substance Registry System :Lorazepam (846-49-1)
Safety Information
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| Signal word: | Warning | ||||||||||||||
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Description
Lorazepam is an anxiolytic compound that potentiates GABAergic synaptic transmission by binding at the benzodiazepine site on the GABAA receptor. This product is intended for forensic and research applications.This product is a qualified Reference Material (RM) that has been manufactured and tested to meet ISO17025 and Guide 34 guidelines. These materials are tested using validated analytical methods on qualified instrumentation to ensure traceability of measurements. All traceable RMs may be distinguished by their CofAs and can be downloaded below using the batch number located on the product label. For a representative CofA please contact our technical support.
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