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Prochlorperazine

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Prochlorperazine Basic information

Product Name:
Prochlorperazine
Synonyms:
  • 10H-Phenothiazine, 2-chloro-10-[3-(4-methyl-1-piperazinyl)propyl]-
  • 2-Chloro-10-(3-(1-methyl-4-piperazinyl)-propyl)-phenothiazine
  • 2-chloro-10-(3-(4-methyl-1-piperazinyl)propyl)-10h-phenothiazin
  • 2-chloro-10-(3-(4-methyl-1-piperazinyl)propyl)-phenothiazin
  • 2-Chloro-10-(3-(4-methyl-1-piperazinyl)propyl)phenothiazine
  • 2-Chloro-10-[3-(4-methyl-1-piperazinyl)propyl]-10H-phenothiazine
  • 3-Chloro-10-(3-(1-methyl-4-piperazinyl)propyl)phenothiazine
  • 3-chloro-10-[3-(4-methyl-1-piperazinyl)propyl]phenothiazine
CAS:
58-38-8
MF:
C20H24ClN3S
MW:
373.94
EINECS:
200-379-4
Product Categories:
  • COMPAZINE
  • Organics
Mol File:
58-38-8.mol
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Prochlorperazine Chemical Properties

Melting point:
228 °C
Boiling point:
260-275 °C(Press: 2 Torr)
Density 
1.1679 (rough estimate)
refractive index 
1.6000 (estimate)
storage temp. 
Refrigerator
solubility 
Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
pka
pKa 8.1(H2O,t =24±1,I undefined) (Uncertain)
form 
Solid
color 
White to Yellow
Water Solubility 
14.96mg/L(24 ºC)
BCS Class
2
CAS DataBase Reference
58-38-8(CAS DataBase Reference)
NIST Chemistry Reference
Prochlorperazine(58-38-8)
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Safety Information

Hazardous Substances Data
58-38-8(Hazardous Substances Data)
Toxicity
LD50 oral in rat: 1800mg/kg
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Prochlorperazine Usage And Synthesis

Uses

antiemetic, antipsychotic, treatment of vertigo

Uses

Prochlorperazine is antiemetic, antipsychotic; used in treatment of vertigo.

Definition

ChEBI: A member of the class of phenothiazines that is 10H-phenothiazine having a chloro substituent at the 2-position and a 3-(4-methylpiperazin-1-yl)propyl group at the N-10 position.

brand name

Compazine (GlaxoSmithKline).

Clinical Use


Nausea and vomiting
Labyrinthine disorders
Psychoses
Severe anxiety

Safety Profile

Poison by ingestion, subcutaneous, intravenous, and intraperitoneal routes. Experimental teratogenic and reproductive effects. Human systemic effects by ingestion: headache, blood pressure elevation. Implicated in aplastic anemia. When heated to decomposition it emits very toxic fumes of SOx, NOx, and Cl-.

Veterinary Drugs and Treatments

Prochlorperazine as a single agent is used in dogs and cats as an antiemetic. The only approved products for animals are combination products containing prochlorperazine, isopropamide, with or without neomycin (Darbazine?, Neo-Darbazine?—SKB Labs) which are no longer marketed in the USA. The approved indications for these products include: vomiting, non-specific gastroenteritis, drug induced diarrhea, infectious diarrhea, spastic colitis, and motion sickness in dogs and cats (injectable product only).

Drug interactions

Potentially hazardous interactions with other drugs
Anaesthetics: enhanced hypotensive effect.
Analgesics: increased risk of convulsions with tramadol; enhanced hypotensive and sedative effects with opioids; increased risk of ventricular arrhythmias with methadone.
Anti-arrhythmics increased risk of ventricular arrhythmias with anti-arrhythmics that prolong the QT interval, e.g. procainamide, disopyramide, dronedarone and amiodarone - avoid with amiodarone and dronedarone.
Antibacterials: increased risk of ventricular arrhythmias with delamanid and moxifloxacin - avoid.
Antidepressants: increase concentrations and additive antimuscarinic effects, notably with tricyclics; increased risk of ventricular arrhythmias with citalopram and escitalopram - avoid; increased risk of convulsions with vortioxetine.
Antiepileptics: antagonised (convulsive threshold lowered).
Antimalarials: avoid with artemether/lumefantrine and piperaquine with artenimol.
Antipsychotics: increased risk of ventricular arrhythmias with droperidol and pimozide - avoid; increased risk of ventricular arrhythmias with risperidone.
Antivirals: concentration possibly increased with ritonavir; increased risk of ventricular arrhythmias with saquinavir - avoid.
Anxiolytics and hypnotics: increased sedative effects.
Atomoxetine: increased risk of ventricular arrhythmias.
Beta-blockers: enhanced hypotensive effect; increased risk of ventricular arrhythmias with sotalol.
Cytotoxics: increased risk of ventricular arrhythmias with arsenic trioxide.
Desferrioxamine: avoid concomitant use.
Diuretics: enhanced hypotensive effect.
Lithium: increased risk of extrapyramidal side effects and possibly neurotoxicity.
Pentamidine: increased risk of ventricular arrhythmias.

Metabolism

Prochlorperazine undergoes extensive first pass metabolism in the gut wall. It is also extensively metabolised in the liver and is excreted in the urine and bile. The metabolites are inactive.

Prochlorperazine Preparation Products And Raw materials

Preparation Products

ProchlorperazineSupplier

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