Lormetazepam
- Formula: C16H12Cl2N2O2
- Molecular weight: 335.185
- IUPAC Standard InChI: InChI=1S/C16H12Cl2N2O2/c1-20-13-7-6-9(17)8-11(13)14(19-15(21)16(20)22)10-4-2-3-5-12(10)18/h2-8,15,21H,1H3
- IUPAC Standard InChIKey: FJIKWRGCXUCUIG-UHFFFAOYSA-N
- CAS Registry Number: 848-75-9
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: 2H-1,4-Benzodiazepin-2-one, 7-chloro-5-(2-chlorophenyl)-1,3-dihydro-3-hydroxy-1-methyl-; 2H-1,4-Benzodiazepin-2-one, 1,3-dihydro-7-chloro-5-(o-chlorophenyl)-3-hydroxy-1-methyl-; 7-Chloro-5-(2-chlorophenyl)-3-hydroxy-1-methyl-2,3-dihydro-1H-1,4-benzodiazepin-2-one; Methyllorazepam; N-Methyllorazepam; Ro 5-5516; 7-Chloro-5-(o-chlorophenyl)-1,3-dihydro-3-hydroxy-1-methyl-2H-1,4-benzodiazepin-2-one; Ergocalm; Loramet; Noctamid; WY 4082; Noctamide; 7-Chloro-5-(2-chlorophenyl)-3-hydroxy-1-methyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one
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Gas Chromatography
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | SE-30 | 250. | 2674. | Dimov and Moskovkina, 1991 | |
| Capillary | BP-1 | 250. | 2703. | Japp, Garthwaite, et al., 1988 | 25. m/0.22 mm/0.25 μm, N2 |
| Capillary | DB-1 | 250. | 2674. | Japp, Garthwaite, et al., 1988 | 30. m/0.53 mm/1.5 μm, N2 |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | VF-5MS | 2798.4 | Tretyakov, 2014 | 30. m/0.25 mm/0.25 μm, He; Tstart: 60. C; Tend: 270. C |
Normal alkane RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | SPB-5 | 220. | 2717. | Chiarotti, de Giovanni, et al., 1986 | Column length: 30. m; Column diameter: 0.75 mm |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Packed | SE-30 | 2674. | MHA, 9999 | Nitrogen, Chromosorb G AW DMCS (80-100 mesh); Column length: 2. m; Tstart: 100. C; Tend: 300. C |
| Capillary | BP-1 | 2703. | MHA, 9999 | Tstart: 100. C; Tend: 300. C |
| Capillary | DB-5 | 2703. | Zamechnik, Ethier, et al., 1989 | 15. m/0.25 mm/0.25 μm, He, 150. C @ 1. min, 10. K/min; Tend: 260. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SE-54 | 2753. | Chiarotti, de Giovanni, et al., 1986 | H2; Column length: 25. m; Column diameter: 0.4 mm; Program: 100C => quickly => 220C(1min) => 7C/min => 270C (15min) |
References
Go To: Top, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Dimov and Moskovkina, 1991
Dimov, N.; Moskovkina, M.,
New aspects of quantitative structure-retention relationships in chromatography,
J. Chromatogr., 1991, 552, 59-69, https://doi.org/10.1016/S0021-9673(01)95923-0
. [all data]
Japp, Garthwaite, et al., 1988
Japp, M.; Garthwaite, K.; Geeson, A.V.; Osselton, M.D.,
Collection of Analytical Data for Benzodiazepines and Benzophenones,
J. Chromatogr., 1988, 439, 2, 317-339, https://doi.org/10.1016/S0021-9673(01)83844-9
. [all data]
Tretyakov, 2014
Tretyakov, K.V.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]
Chiarotti, de Giovanni, et al., 1986
Chiarotti, M.; de Giovanni, N.; Fiori, A.,
Analysis of Benzodiazepines. I. Chromatographic Identification,
J. Chromatogr., 1986, 358, 169-178, https://doi.org/10.1016/S0021-9673(01)90326-7
. [all data]
MHA, 9999
MHA, Directorate of ForensicScience.,
Forensic Toxicology, 9999. [all data]
Zamechnik, Ethier, et al., 1989
Zamechnik, J.; Ethier, J.-C.; Neville, G.A.,
Benzodiazepines- an extensive collection of mass spectra,
J. Can. Soc. Forensic Sci., 1989, 22, 3, 233-259, https://doi.org/10.1080/00085030.1989.10757437
. [all data]
Notes
Go To: Top, Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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