P1Z as a free ligand exists in 4 entries. Examples include: 2BXQ 2BXC 2W98

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View summary at Ligand Expo

Chemical Component Summary

FormulaC19 H20 N2 O2
Molecular Weight308.37
Isomeric SMILESCCCCC1C(=O)N(N(C1=O)c1ccccc1)c1ccccc1

Chemical Details

Formal Charge0
Atom Count43
Chiral Atom Count0
Chiral Atomsn/a
Bond Count45
Aromatic Bond Count12
Leaving Atomsn/a

Drug Info: DrugBank

DrugBank IDDB00812 Different stereochemistry
  • approved
  • vet_approved
DescriptionA drug that has anti-inflammatory, antipyretic, and analgesic activities. It is especially effective in the treatment of ankylosing spondylitis. It also is useful in rheumatoid arthritis and Reiter's syndrome (investigational indication). Although phenylbutazone is effective in gouty arthritis, risk/benefit considerations indicate that this drug should not be employed for this disease. (From AMA Drug Evaluations Annual, 1994, p1822)
  • 3,5-Dioxo-1,2-diphenyl-4-n-butylpyrazolidine
  • 4-BUTYL-1,2-diphenyl-pyrazolidine-3,5-dione
  • 4-n-Butyl-1,2-diphenyl-3,5-pyrazolidinedione
  • Fenilbutazona
  • Phenbutazone
Brand Names
  • Alka Phenyl Tab
  • Alka Phenylbutazone Tab
  • Apo Phenylbutazone Tab 100mg
  • Novo-butazone Tab 100mg
  • Phenylo
Affected OrganismHumans and other mammals
IndicationFor the treatment of backache and ankylosing spondylitis
PharmacologyPhenylbutazone is a synthetic, pyrazolone derivative. It is a nonhormonal anti-inflammatory, antipyretic compound useful in the management of inflammatory conditions. The apparent analgesic effect is probably related mainly to the compound's anti-inflammatory properties and arise from its ability to reduce production of prostaglandin H and prostacyclin. Prostaglandins act on a variety of cells such as vascular smooth muscle cells causing constriction or dilation, on platelets causing aggregation or disaggregation and on spinal neurons causing pain. Prostacylcin causes vascular constriction platelet disaggregation
Mechanism of actionPhenylbutazone binds to and inactivates prostaglandin H synthase and prostacyclin synthase through peroxide (H2O2) mediated deactivation. The reduced production of prostaglandin leads to reduced inflammation of the surrounding tissues.
Route of administrationOral
  • Analgesics
  • Analgesics, Non-Narcotic
  • Anti-Inflammatory Agents
  • Anti-Inflammatory Agents, Non-Steroidal
  • Antiinflammatory Preparations, Non-Steroids for Topical Use
  • M01BA01
  • M01AA01
  • M02AA01
CAS number50-33-9
Drug Info/Drug Targets: DrugBank 3.0: a comprehensive resource for 'omics' research on drugs. Knox C, Law V, Jewison T, Liu P, Ly S, Frolkis A, Pon A, Banco K, Mak C, Neveu V, Djoumbou Y, Eisner R, Guo AC, Wishart DS. Nucleic Acids Res. 2011 Jan; 39 (Database issue):D1035-41. | PMID:21059682