Temazepam

• Formula: C₁₆H₁₃ClN₂O₂
• Molecular weight: 300.740
• IUPAC Standard InChI: InChI=1S/C16H13ClN2O2/c1-19-13-8-7-11(17)9-12(13)14(18-15(20)16(19)21)10-5-3-2-4-6-10/h2-9,15,20H,1H3 Copy

  
• IUPAC Standard InChIKey: SEQDDYPDSLOBDC-UHFFFAOYSA-N Copy
• CAS Registry Number: 846-50-4
• 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-1,3-dihydro-3-hydroxy-1-methyl-5-phenyl-; Crisonar; ER 115; K-3917; Levanxene; Levanxol; Methyloxazepam; N-Methyloxazepam; Oxydiazepam; Ro 5-5345; Wy-3917; 3-Hydroxydiazepam; Euhypnos; Hydroxydiazepam; Mabertin; Restoril; Signopam; 7-Chloro-1,3-dihydro-3-hydroxy-1-methyl-5-phenyl-2H-1,4-benzodiazepin-2-one; 2H-1,4-Benzodiazepin-2-one, 1,3-dihydro-7-chloro-3-hydroxy-1-methyl-5-phenyl-; Cerepax; 1,3-Dihydro-7-chloro-3-hydroxy-1-methyl-5-phenyl-2H-1,4-benzodiazepin-2-one; Normison; Planum; Remestan; Euipnos; Gelthix; Levanzene; Perdorm; Ro-5-5354; Diazepam, 3-hydroxy; NSC 246303; Tenox; 7-Chloro-3-hydroxy-1-methyl-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one; Temazepam II; 7-Chloro-1,3-dihydro-3-hydroxy-1-methyl-5-phenyl-2H-1,4-benzodiazepin-2-one (temazepam)
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• Information on this page:
  • Phase change data
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
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Phase change data

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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: William E. Acree, Jr., James S. Chickos

Enthalpy of fusion

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

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Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, custom temperature program

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References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Van den Mooter, Augustijns, et al., 1998
Van den Mooter, G.; Augustijns, P.; Kinget, R., Application of the thermodynamics of mobile order and disorder to explain the solubility of temazepam in aqueous solutions of polyethylene glycol 6000, International Journal of Pharmaceutics, 1998, 164, 1-2, 81-89, https://doi.org/10.1016/S0378-5173(97)00400-6 . [all data]

Richardson, McCafferty, et al., 1992
Richardson, P.J.; McCafferty, D.F.; Woolfson, A.D., Determination of three-component partial solubility parameters for temazepam and the effects of change in partial molal volume on the thermodynamics of drugs solubility, International Journal of Pharmaceutics, 1992, 78, 1-3, 189-198, https://doi.org/10.1016/0378-5173(92)90370-H . [all data]

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]

Musumarra, Scarlata, et al., 1987
Musumarra, G.; Scarlata, G.; Romano, G.; Cappello, G.; Clementi, S.; Giulietti, G., Qualitative organic analysis. Part 2. Identification of drugs by principal components analysis of standardized TLC data in four eluent systems and of retention indices on SE 30, J. Anal. Toxicol., 1987, 11, 4, 154-163, https://doi.org/10.1093/jat/11.4.154 . [all data]

Tretyakov, 2014
Tretyakov, K.V., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]

Christ, Noomano, et al., 1988
Christ, D.W.; Noomano, P.; Rosas, M.; Rhone, D., Retention indices by wide-bore capillary gas chromatography with nitrogen-phosphorus detection, J. Anal. Toxicol., 1988, 12, 2, 84-88, https://doi.org/10.1093/jat/12.2.84 . [all data]

Perrigo, Peel, et al., 1985
Perrigo, B.J.; Peel, H.W.; Ballantyne, D.J., Use of Dual-Column Fused-Silica Capillary Gas Chromatography in Combination with Detector Response Factors for Analytical Toxicology., J. Chromatogr., 1985, 341, 81-88, https://doi.org/10.1016/S0378-4347(00)84011-6 . [all data]

Perrigo, Ballantyne, et al., 1984
Perrigo, B.J.; Ballantyne, D.J.; Peel, H.W., Condierations in developing a data base for drugs on a DBI capillary column, J. Can. Soc. Forensic Sci., 1984, 17, 2, 41-49, https://doi.org/10.1080/00085030.1984.10757360 . [all data]

Perrigo and Peel, 1981
Perrigo, B.J.; Peel, H.W., The use of retention indices and temperature-programmed gas chromatography in analytical toxicology, J. Chromatogr. Sci., 1981, 19, 5, 219-226, https://doi.org/10.1093/chromsci/19.5.219 . [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]

Marozzi, Gambaro, et al., 1982
Marozzi, E.; Gambaro, V.; Saligari, E.; Mariani, R.; Lodi, F., Use of the retention index in gas chromatographic studies of drugs, J. Anal. Toxicol., 1982, 6, 4, 185-192, https://doi.org/10.1093/jat/6.4.185 . [all data]

Ardrey and Moffat, 1981
Ardrey, R.E.; Moffat, A.C., Gas-liquid chromatographic retention indices of 1318 substances of toxicological interest on SE-30 or OV-1 stationary phase, J. Chromatogr., 1981, 220, 3, 195-252, https://doi.org/10.1016/S0021-9673(00)81925-1 . [all data]

Notes

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• Symbols used in this document:
  

  ΔfusH

  Enthalpy of fusion

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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