1. GPCR/G Protein
    Neuronal Signaling
  2. 5-HT Receptor
  3. Ondansetron hydrochloride

Ondansetron hydrochloride (Synonyms: GR 38032 hydrochloride; SN 307 hydrochloride)

Cat. No.: HY-B0002
Handling Instructions

Ondansetron hydrochloride (GR 38032 hydrochloride; SN 307 hydrochloride) is a serotonin 5-HT3 receptor antagonist used mainly as anantiemetic (to treat nausea and vomiting), often following chemotherapy.

For research use only. We do not sell to patients.

Ondansetron hydrochloride Chemical Structure

Ondansetron hydrochloride Chemical Structure

CAS No. : 99614-01-4

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Description

Ondansetron hydrochloride (GR 38032 hydrochloride; SN 307 hydrochloride) is a serotonin 5-HT3 receptor antagonist used mainly as anantiemetic (to treat nausea and vomiting), often following chemotherapy. Target: 5- HT Receptor IC50 Value: in vitro: 5-HT evoked transient inward currents (EC50 = 3.4 microM; Hill coefficient = 1.8) that were blocked by the 5-HT3 receptor antagonist ondansetron (IC50 = 103 pM) [1]. The 5-HT3A receptor antagonist ondansetron (0.3 nM) reversibly inhibited the 5-HT (30 microM) signal by 70% and at 3 nM it abolished the response [2]. in vivo: Acute ondansetron administration at the lowest dose (0.1 mg/kg, IP) tested had no effect, while other doses (0.33 and 1 mg/kg, IP) produced improvements in auditory gating [3]. Different doses of ondansetron were injected intraperitoneally (i.p.) at fixed times during the day to determine both the sublethal (TD50) and lethal (LD50) doses, which were, respectively, 3.7 +/- 0.6 mg/kg and 4.6 +/- 0.5 mg/kg [4]. ondansetron (0.25-1.0 mg/kg, subcutaneously) given before the challenge dose of ethanol (2.4 g/kg, intraperitoneally) injection, significantly and dose dependently attenuated the expression of sensitization. In addition, ondansetron (1.0 mg/kg, subcutaneously) given before ethanol injection on days 1, 4, 7, and 10 significantly blocked the development (days 1, 4, 7, and 10), and expression (day 15) of sensitization to the locomotor stimulant effect of ethanol injection [5]. Toxicity: Ondansetron may be safe in lower doses used to prevent nausea and vomiting in radiation treatment or postoperatively. However, as there is a report that a lower dose of ondansetron prolonged the QT interval in healthy volunteers, this needs to be clarified by the FDA [6].

IC50 & Target

5-HT3 Receptor

 

Clinical Trial
Molecular Weight

329.82

Formula

C18H20ClN3O

CAS No.
SMILES

O=C1C(CN2C=CN=C2C)CCC(N3C)=C1C4=C3C=CC=C4.[H]Cl

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Please store the product under the recommended conditions in the Certificate of Analysis.

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Ondansetron hydrochloride
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HY-B0002
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