Phenylbutazone

• Formula: C₁₉H₂₀N₂O₂
• Molecular weight: 308.3743
• IUPAC Standard InChI: InChI=1S/C19H20N2O2/c1-2-3-14-17-18(22)20(15-10-6-4-7-11-15)21(19(17)23)16-12-8-5-9-13-16/h4-13,17H,2-3,14H2,1H3 Copy

  
• IUPAC Standard InChIKey: VYMDGNCVAMGZFE-UHFFFAOYSA-N Copy
• CAS Registry Number: 50-33-9
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: 1,2-Diphenyl-4-butyl-3,5-pyrazolidinedione; 3,5-Pyrazolidinedione, 4-butyl-1,2-diphenyl-; Alindor; Antadol; Anuspiramin; Arthrizon; Artrizin; Artropan; Azolid; Benzone; Betazed; Bizolin 200; Bunetzone; Butacote; Butadion; Butadione; Butalidon; Butapirazol; Butartrina; Butazina; Butazolidin; Butazolidine; Butidiona; Butoz; Buzon; Diphebuzol; Diphenylbutazone; Ecobutazone; Fenibutal; Fenibutazona; Fenilbutina; Fenotone; Fenylbutazon; Flexazone; G 13,871; Ia-But; Kadol; Mephabutazon; Phebuzine; Pirarreumol B; Pyrabutol; R-3-ZON; Reudo; Reudox; Reumazin; Reumuzol; Robizone; Shigrodin; Tencodyne; Ticinil; Todalgil; Uzone; VAC-10; Zolaphen; Esteve; A 7514; Alkabutazona; Alqoverin; Anerval; Anpuzone; Artrizone; Azdid; Azobutyl; B.t.z.; Busone; Butaphen; Butacompren; Butadiona; Butagesic; Butalan; Butalgina; Butaluy; Butapirazole; Butapyrazole; Butarecbon; Butartril; Butazona; Butazone; Bute; Butiwas-Simple; Butone; Butylpyrin; Buvetzone; Chembutazone; Digibutina; Diossidone; Diozol; Elmedal; Equi bute; Eributazone; Febuzina; Fenartil; Fenibutasan; Fenibutol; Fenilbutazona; Fenilbutine; Fenilidina; Intalbut; Intrabutazone; Intrazone; Ipsoflame; Lingel; Malgesic; Mephabutazone; Merizone; Nadazone; Nadozone; Neo-zoline; Novophenyl; NCI-C55414; Phebuzin; Phen-Buta; Phenbutazol; Phenopyrine; Phenyl-Mobuzon; Phenylbutaz; Phenylbutazonum; Phenyzone; Praecirheumin; Pyrazolidin; PBZ; Rectofasa; Reumasyl; Reumazol; Reumune; Reupolar; Robizon-V; Rubatone; Scanbutazone; Schemergin; Tazone; Tetnor; Tevcodyne; Therazone; USAF GE-15; Wescozone; Zolidinum; Zorane; 1,2-Diphenyl-3,5-dioxo-4-butylpyrazolidine; 1,2-Diphenyl-4-butyl-3,5-dioxopyrazolidine; 3,5-Dioxo-1,2-diphenyl-4-n-butyl-pyrazolidin; 3,5-Dioxo-1,2-diphenyl-4-n-butylpyrazolidine; 4-Butyl-1,2-diphenyl-3,5-dioxopyrazolidine; 4-Butyl-1,2-diphenyl-3,5-pyrazolidinedione; 4-Butyl-1,2-diphenylpyrazolidine-3,5-dione; DA-192; 1,2-Diphenyl-3,5-dioxo-4-n-butylpyrazolidine; Equipalazone; Alkazone; 4-n-Butyl-1,2-diphenyl-3,5-pyrazolidinedione; component of Azolid-A; 4297-92-1
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• Information on this page:
  • Phase change data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
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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: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

Mass spectrum (electron ionization)

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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

Spectrum

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Additional Data

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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Kovats' RI, non-polar column, temperature ramp

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

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

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

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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.

Grady, Hays, et al., 1973
Grady, L.T.; Hays, S.E.; King, R.H.; Klein, H.R.; Mader, W.J.; Wyatt, D.K.; Zimmere, R.O., Drug purity profiles, J. Pharm. Sci., 1973, 62, 459. [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]

Schepers, Wijsbeek, et al., 1982
Schepers, P.; Wijsbeek, J.; Franke, J.P.; de Zeeuw, R.A., Applicability of capillary gas chromatography to substance identification in toxicology by means of retention indices, J. Forensic Sci., 1982, 27, 1, 49-60. [all data]

McLinden and Stenhouse, 1979
McLinden, V.J.; Stenhouse, A.M., A chromatography system for drug identification, Forensic Sci. Int., 1979, 13, 71-79, https://doi.org/10.1016/0379-0738(79)90265-2 . [all data]

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

Stowell and Wilson, 1987
Stowell, A.; Wilson, L.W., A simple approach to the interlaboratory transfer of drug retention indices determined by temperature programmed capillary gas chromatography, J. Forensic Sci., 1987, 32, 5, 1214-1220. [all data]

Anderson and Fuller, 1987
Anderson, W.H.; Fuller, D.C., A simplified procedure for the isolation, characterization, and identification of weak acid and neutral drugs from whole blood, J. Anal. Toxicol., 1987, 11, 5, 198-204, https://doi.org/10.1093/jat/11.5.198 . [all data]

Sharp, 1987
Sharp, M.E., A rapid screening procedure for acidic and neutral drugs in blood by high resolution gas chromatography, J. Anal. Toxicol., 1987, 11, 1, 8-11, https://doi.org/10.1093/jat/11.1.8 . [all data]

Stowell and Wilson, 1985
Stowell, A.; Wilson, L., Use of retention indices in drug screening by capillary gas chromatography, Rep. # CD 2362, Department of Scientific and Industrial Reseach, Chemistry Division, Lower Hutt, NZ, 1985, 32. [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]

Peel and Perrigo, 1976
Peel, H.W.; Perrigo, B., A practical gas chromatographic screening procedure for toxicological analysis, Can. Soc. Forens. Sci. J., 1976, 9, 2, 69-74, https://doi.org/10.1080/00085030.1976.10757247 . [all data]

Peel and Perrigo, 1975
Peel, H.W.; Perrigo, B., A practical gas chromatographic screening procedure for toxicological analysis, Can.Soc.Forens.Sci.J., 1975, 9, 2, 69-74, https://doi.org/10.1080/00085030.1976.10757247 . [all data]

Grigor'ev, Bozhko, et al., 2009
Grigor'ev, A.M.; Bozhko, E.S.; Rudakova, L.V., Use of correlation between retention indices on low-polarity phases for screening comp-lex mixtures by gas chromatography-mass spectrometry, Rus. J. Anal. Chem., 2009, 64, 2, 140-143, https://doi.org/10.1134/S1061934809020087 . [all data]

Schutz and Wollrab A., 1988
Schutz, H.; Wollrab A., The significance of the retention index in toxicologic analysis II, Pharmazie in unzerer Zeit, 1988, 17, 4, 97-101. [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:
  

  Tfus	Fusion (melting) point

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