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Lorazepam
CAS: 846-49-1 | C15H10Cl2N2O2
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
846-49-1
Molecular Formula:
C15H10Cl2N2O2
Molecular Mass:
321.16 g/mol
Names and Synonyms:
Lorazepam
2H-1,4-Benzodiazepin-2-one, 7-chloro-5-(2-chlorophenyl)-1,3-dihydro-3-hydroxy-
2H-1,4-Benzodiazepin-2-one, 7-chloro-5-(o-chlorophenyl)-1,3-dihydro-3-hydroxy-
7-Chloro-5-(2-chlorophenyl)-1,3-dihydro-3-hydroxy-2H-1,4-benzodiazepin-2-one
7-Chloro-5-(o-chlorophenyl)-1,3-dihydro-3-hydroxy-2H-1,4-benzodiazepin-2-one
Wy 4036
Lorazepam
Demethyllormetazepam
o-Chlorooxazepam
o-Chloroxazepam
Temesta
Tavor
Ativan
Wypax
Norlormetazepam
Delormetazepam
(±)-Lorazepam
(RS)-Lorazepam
Almazine
Orfidal
Apo-Lorazepam
Lorapam
Larpose
Aplacassee
Novo-lorazem
Loram
Lorabenz
Merlit
Lorenin
Wintin
Renaquil
Bonatranquan
Lorat
Novhepar
Upan
Lorazep
Lorax
Lorsedal
Efasedan
Sedatival
Sidenar
Nervistop L
Duralozam
Lorans
Punktyl
Lorazene
Lozepam
Sedizepan
Loridem
Bonton
Anxiedin
Lopam
Laubeel
Silence
Azurogen
Anxira
Anzepam
Aripax
Lorazon
Equitam
Trapax
Kalmalin
Lorzem
Lorivan
Aplacasse
Lorazin
Rocosgen
Tranqipam
Sinestron
Reposepan
Stapam
Control
NIC
Trapex
Titus
Emotival
Psicopax
Securit
Sedazin
Quait
Somagerol
Pro Dorm
Lorsilan
NSC 289758
Tavor Expidet
Lorazem
7-Chloro-5-(2-chlorophenyl)-3-hydroxy-1H-1,4-benzodiazepin-2(3H)-one
Identifiers:
SMILES:
OC1=Nc2ccc(Cl)cc2C(c2ccccc2Cl)=NC1O
InChI:
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)
Key Properties
Melting Point
167 °C
CAS Common Chemistry
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 321.16 g/mol | CAS Common Chemistry |
| 321.163 g/mol | RDKit | |
| 320.01193292 g/mol | RDKit | |
| Canonical SMILES | O=C1NC=2C=CC(Cl)=CC2C(=NC1O)C=3C=CC=CC3Cl | CAS Common Chemistry |
| InChI | 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) | CAS Common Chemistry |
| InChI Key | InChIKey=DIWRORZWFLOCLC-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 167 °C | CAS Common Chemistry |
| Name | Lorazepam | CAS Common Chemistry |
| Heavy Atom Count | 21 | RDKit |
| Hydrogen Bond Acceptors | 3 | RDKit |
| Hydrogen Bond Donors | 2 | RDKit |
| Rotatable Bonds | 1 | RDKit |
| Aromatic Ring Count | 2 | RDKit |
| Topological Polar Surface Area | 65.18 Ų | RDKit |
| LogP | 3.750800000000002 | RDKit |
| Molar Refractivity | 84.27360000000002 | RDKit |
