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Prazepam


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

DeltafusH (kcal/mol) Temperature (K) Method Reference
6.618419.DSCVerheyen, Augustijns, et al., 2001

Mass spectrum (electron ionization)

Go To: Top, Phase change data, Gas Chromatography, References, Notes

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

Spectrum

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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Virginia Division of Forensic Science
NIST MS number 250562

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Gas Chromatography

Go To: Top, Phase change data, Mass spectrum (electron ionization), References, Notes

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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Column type Active phase Temperature (C) I Reference Comment
CapillarySE-30250.2652.Dimov and Moskovkina, 1991 
CapillaryBP-1250.2676.Japp, Garthwaite, et al., 198825. m/0.22 mm/0.25 «mu»m, N2
CapillaryDB-1250.2652.Japp, Garthwaite, et al., 198830. m/0.53 mm/1.5 «mu»m, N2
CapillaryBP-1275.2679.Japp, Gill, et al., 198725. m/0.22 mm/0.25 «mu»m, N2
CapillaryBP-1275.2694.Japp, Gill, et al., 198725. m/0.53 mm/1. «mu»m, N2
PackedSE-30260.2638.Musumarra, Scarlata, et al., 1987N2, 1% se-30 on Anachrom ABS(80-100mesh); Column length: 2. m
PackedOV-1250.2655.Berninger and Möller, 1977 

Kovats' RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
PackedSE-302610.Ramsey, Lee, et al., 1980He, Chromosorb G HP (80-100 mesh); Column length: 1.5 m; Program: not specified

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

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Column type Active phase I Reference Comment
CapillaryVF-5MS2746.9Tretyakov, 201430. m/0.25 mm/0.25 «mu»m, He; Tstart: 60. C; Tend: 270. C
CapillarySPB-12651.Christ, Noomano, et al., 198830. m/0.75 mm/1.0 «mu»m, He, 10. K/min, 280. C @ 12. min; Tstart: 160. C
CapillaryDB-12624.Perrigo, Peel, et al., 198515. m/0.32 mm/0.25 «mu»m, He, 8. K/min, 280. C @ 5. min; Tstart: 120. C
CapillaryDB-12624.Perrigo, Ballantyne, et al., 198415. m/0.25 mm/0.25 «mu»m, He, 8. K/min, 280. C @ 5. min; Tstart: 120. C
PackedSE-302630.Perrigo and Peel, 1981N2, Chromosorb W, 130. C @ 2. min, 8. K/min, 290. C @ 8. min; Column length: 1.8 m

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

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Column type Active phase I Reference Comment
CapillaryMethyl Silicone2648.University Centre for Pharmacy, 200312.5 m/0.32 mm/1.5 «mu»m; Program: 135C(4min) => 13C/min => 200C => 8C/min => 240C => 6C/min => 312C (6min)

Normal alkane RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillarySPB-5220.2685.Chiarotti, de Giovanni, et al., 1986Column length: 30. m; Column diameter: 0.75 mm

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
PackedSE-302641.MHA, 9999Nitrogen, Chromosorb G AW DMCS (80-100 mesh); Column length: 2. m; Tstart: 100. C; Tend: 300. C
CapillaryBP-12676.MHA, 9999Tstart: 100. C; Tend: 300. C
CapillaryDB-52676.Zamechnik, Ethier, et al., 198915. m/0.25 mm/0.25 «mu»m, He, 150. C @ 1. min, 10. K/min; Tend: 260. C
PackedSE-302656.Chiarotti, de Giovanni, et al., 1986He, Chromosorb W(100-120 mesh), 200. C @ 2. min, 4. K/min, 285. C @ 10. min; Column length: 2. m

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

View large format table.

Column type Active phase I Reference Comment
CapillarySPB-12619.Chiarotti, de Giovanni, et al., 1986He, Chromosorb W(100-120 mesh); Column length: 25. m; Phase thickness: 0.4 «mu»m
OtherMethyl Silicone2641.Ardrey and Moffat, 1981Program: not specified

References

Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, Notes

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

Verheyen, Augustijns, et al., 2001
Verheyen, S.; Augustijns, P.; Kinget, R.; Van den Mooter, G., Determination of partial solubility parameters of five benzodiazepines in individual solvents, International Journal of Pharmaceutics, 2001, 228, 1-2, 199-207, https://doi.org/10.1016/S0378-5173(01)00838-9 . [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]

Japp, Gill, et al., 1987
Japp, M.; Gill, R.; Osselton, M.D., Comparison of drug retention indices determined on packed, wide bore capillary and narrow bore capillary columns, J. Forensic Sci., 1987, 32, 6, 1574-1586. [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]

Berninger and Möller, 1977
Berninger, H.; Möller, M.R., Retentionsindices zur gaschromatographischen Identifizierung von Arzneimitteln, Arch. Toxicol., 1977, 37, 4, 295-305, https://doi.org/10.1007/BF00330821 . [all data]

Ramsey, Lee, et al., 1980
Ramsey, J.D.; Lee, T.D.; Osselton, M.D.; Moffat, A.C., Gas-liquid chromatographic retention indices of 296 non-drug substances on SE-30 or OV-1 likely to be encountered in toxicological analyses, J. Chromatogr., 1980, 184, 2, 185-206, https://doi.org/10.1016/S0021-9673(00)85641-1 . [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]

University Centre for Pharmacy, 2003
University Centre for Pharmacy, University of Groninger, Systematic toxicological analysis, 2003, retrieved from http://www.farm.rug.nl/InterACT/wijopnet.html. [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]

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

Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References