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Home> Products > Organic Intermediates > Pharmaceutical Intermediates > CAS DataBase Listed 5 > CAS 50-33-9
50-33-9 structure 3D

50-33-9

  • Molecular Weight: 308.3743
  • Formula: C19H20N2O2
  • Name: 4-Butyl-1,2-diphenyl-3,5-dioxopyrazolidine
  • Synonyms: Phenylbutazone; 4-Butyl-1,2-diphenyl-3,5-pyrazolidinedione; 1,2-Diphenyl-4-butyl-3,5-pyrazolidinedione; 1,2-Diphenyl-3,5-dioxo-4-butylpyrazolidine; 5-hydroxy-2-(hydroxymethyl)-4H-pyran-4-one; 1,2-Diphenyl-3,5-dioxo-4-n-butylpyrazolidine; 3,5-Dioxo-1,2-diphenyl-4-n-butylpyrazolidine
Properties Safety and Handling MSDS NMR Spectrum Synthesis Route Precursor and Product Computational chemical data
Identification of 50-33-9 Safety Data
  • [Risk Codes]
  • R45:May cause cancer
  • R20/21/22:Harmful by inhalation, in contact with skin and if swallowed
  • R36/37/38:Irritating to eyes, respiratory system and skin
  • R42/43:May cause sensitization by inhalation and skin contact
  • [Safety Statements]
  • S53:Avoid exposure - obtain special instruction before use
  • S22:Do not breathe dust
  • S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
  • S36/37/39:Wear suitable protective clothing, gloves and eye/face protection
  • S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
  • Hazard Symbols:
  • HazardClass:6.1(b)
Properties
  • Appearance:
  • off-white powder
  • Molecular Weight:
  • 308.3743
  • Density:
  • 1.173
  • Boiling Point:
  • 424.9°Cat760mmHg
  • Melting Point:
  • 104-107℃
  • Flash Point:
  • 174.3°C
  • Storage Temperature:
  • -20°C Freezer
  • Solubility:
  • <0.1 g/100 mL at 23.5 oC
  • Stability:
  • Stable. Incompatible with strong oxidizing agents, strong acids, strong bases.
  • Usage:
  • A non-steroidal anti-inflammatory compound. An inhibitor of cyclooxygenase that is also a substrate for peroxidation by cyclooxygenase
  • More Properties>>
Upstream Product Downtream information
There are 217 suppliers who can provide 4-Butyl-1,2-diphenyl-3,5-dioxopyrazolidine with CAS No. 50-33-9
Phenylbutazone
  • Cas No:50-33-9 
  • Formula:C19H20N2O2 
  • Einecs:200-029-0 
  • Updatetime:Nov 25 2019 
AK Scientific, Inc.
  • Tel:+(510) 429-8835
  • Address:30023 Ahern Ave
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Phenylbutazone
  • Cas No:50-33-9 
  • Formula:C19H20N2O2 
  • Einecs:200-029-0 
  • Updatetime:Nov 25 2019 
VWR International
  • Tel:800 932 5000
  • Fax:610 436 1761
Contact Supplier
Phenylbutazone
  • Cas No:50-33-9 
  • Formula:C19H20N2O2 
  • Einecs:200-029-0 
  • Updatetime:Nov 25 2019 
Advance Scientific & Chemical
  • Tel:(954) 327-0900
  • Fax:(954) 327-0903
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Phenylbutazone
  • Cas No:50-33-9 
  • Formula:C19H20N2O2 
  • Einecs:200-029-0 
  • Updatetime:Nov 25 2019 
American Custom Chemicals Corporation
  • Tel:+1-(858)-201-6118
  • Fax:+1-(858)-201-6118
  • Address:P.O Box 910574, San Diego, California 92191-0574,
Contact Supplier
Phenylbutazone
  • Cas No:50-33-9 
  • Formula:C19H20N2O2 
  • Einecs:200-029-0 
  • Updatetime:Nov 25 2019 
Acros Organics
  • Tel:+32-(14)-57 52 11
  • Fax:+32-(14)-59 26 10
  • Address:Thermo Fisher Scientific, Geel West Zone 2, Janssen Pharmaceuticalaan 3a, 2440 Geel,
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Phenylbutazone
  • Cas No:50-33-9 
  • Formula:C19H20N2O2 
  • Einecs:200-029-0 
  • Updatetime:Nov 25 2019 
BOSCHE SCIENTIFIC, LLC
  • Tel:732 565 9988
  • Fax:732 875 0899
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Phenylbutazone
  • Cas No:50-33-9 
  • Formula:C19H20N2O2 
  • Einecs:200-029-0 
  • Updatetime:Nov 25 2019 
Wuhan Fortuna Chemical Co., Ltd
  • Tel:+86-27-59207852 85767163
  • Fax:+86-27-59524646
Contact Supplier
Phenylbutazone
  • Cas No:50-33-9 
  • Formula:C19H20N2O2 
  • Einecs:200-029-0 
  • Updatetime:Nov 25 2019 
Sequoia Research Products Ltd.
  • Tel:44 7802 291086
  • Fax:44 118 976 7586
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Phenylbutazone
  • Cas No:50-33-9 
  • Formula:C19H20N2O2 
  • Einecs:200-029-0 
  • Updatetime:Nov 25 2019 
Dr. Ehrenstorfer GmbH
  • Tel:(0821) 90 60 80
  • Fax:(0821) 90 60 888
  • Address:Bgm.-Schlosser-STr. 6A,
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Phenylbutazone
  • Cas No:50-33-9 
  • Formula:C19H20N2O2 
  • Einecs:200-029-0 
  • Updatetime:Nov 25 2019 
ChemPacific Corporation
  • Tel:+1-(410)-633-5771
  • Fax:+1-(410)-633-5808
  • Address:6200 Freeport Center, Baltimore, Maryland 21224,
Contact Supplier
Phenylbutazone
  • Cas No:50-33-9 
  • Formula:C19H20N2O2 
  • Einecs:200-029-0 
  • Updatetime:Nov 25 2019 
Aceto Corporation
  • Tel:+1-(516)-627-6000
  • Fax:+1-(516)-627-6093
  • Address:One Hallow Lane, Lake Success, New York 11042-1215,
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Phenylbutazone
  • Cas No:50-33-9 
  • Formula:C19H20N2O2 
  • Einecs:200-029-0 
  • Updatetime:Nov 25 2019 
ECA International Corporation
  • Tel:(847) 358-8178
  • Fax:(847) 358-8179
  • Address:1205 N. Lakeview Dr.Palatine, IL 60067 U.S.A.
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Phenylbutazone
  • Cas No:50-33-9 
  • Formula:C19H20N2O2 
  • Einecs:200-029-0 
  • Updatetime:Nov 25 2019 
Wintersun chemical
  • Tel:+1 909 930-1688 0086-574-87322704, 87298453, 27857
  • Address:3100 E Cedar Street, Suite #15 Ontario, CA 91761 USA.(Flat C, 10F., Sun Building No.1, Sun Building No. 43 Lane, Lengjing Street, Ningbo 315000, P. R. China)
Contact Supplier
Phenylbutazone
  • Cas No:50-33-9 
  • Formula:C19H20N2O2 
  • Einecs:200-029-0 
  • Updatetime:Nov 25 2019 
Nantong Chem-land Co., Ltd
  • Tel:86-513-85512619
  • Fax:86-513-85512676
Contact Supplier
Phenylbutazone
  • Cas No:50-33-9 
  • Formula:C19H20N2O2 
  • Einecs:200-029-0 
  • Updatetime:Nov 25 2019 
Choriway International Trade Co., Ltd
  • Tel:0510-82606408 82700303
  • Fax:+86 510 82700244
Contact Supplier
Phenylbutazone
  • Cas No:50-33-9 
  • Formula:C19H20N2O2 
  • Einecs:200-029-0 
  • Updatetime:Nov 25 2019 
Ancheng Pharmaceutical Co.
  • Tel:+86-(755)-26113015
  • Fax:+86-(755)-82713413
  • Address:B-10C, Wu Zhou Xing Yuan, Xin Wen Rd., Fu Tian, Shenzhen 518034,
Contact Supplier
Phenylbutazone
  • Cas No:50-33-9 
  • Formula:C19H20N2O2 
  • Einecs:200-029-0 
  • Updatetime:Nov 25 2019 
Cerilliant Corporation
  • Tel:800 848 7837
  • Fax:800 654 1458
  • Address:811 Paloma Drive, Suite A | Round Rock, Texas 78665
Contact Supplier
Phenylbutazone
  • Cas No:50-33-9 
  • Formula:C19H20N2O2 
  • Einecs:200-029-0 
  • Updatetime:Nov 25 2019 
MDA Chemicals Ltd.
  • Tel:+44-(1524)-771881
  • Fax:+44-(1524)-771882
  • Address:Willow Mill, Caton, Lancaster, Lancs LA2 9RA,
Contact Supplier
Phenylbutazone
  • Cas No:50-33-9 
  • Formula:C19H20N2O2 
  • Einecs:200-029-0 
  • Updatetime:Nov 25 2019 
Haoyuan Chemexpress Co., Ltd.
  • Tel:86-21-58998985
  • Fax:(86) 21-58955996
Contact Supplier
Phenylbutazone
  • Cas No:50-33-9 
  • Formula:C19H20N2O2 
  • Einecs:200-029-0 
  • Updatetime:Nov 25 2019 
Waterstone Technology, LLC
  • Tel:+1-317 644 0862
  • Fax:+1-317 569 0858
  • Address:12202 Hancock St. Carmel, IN 46032
Contact Supplier
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