Dolasetron mesylate monhydate CAS NO.115956-13-3
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Category：Active Pharmaceutical Ingredients Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
Catalog ID80017551
CAS NO.115956-13-3
Purity 96%
MDL NumberMFCD01718979
olecular formula C19H20N2O3.CH4O3S.H2O
Molecular weight 438.4946
Melting point: 160~165°C
| Aspect | Details |
|---|---|
| Chemical Structure | Dolasetron mesylate monohydrate is a selective serotonin subtype 3 (5-HT3) receptor antagonist. Its empirical formula is C19H20N2O3·CH3SO3H·H2O, with a molecular weight of 438.50. |
| Chemical Properties | – White to off-white powder.<br>- Freely soluble in water and propylene glycol, slightly soluble in ethanol and normal saline. |
| Mechanism of Action | Acts as a selective 5-HT3 receptor antagonist, reducing nausea and vomiting by blocking serotonin released from enterochromaffin cells in the small intestine. |
| Indications | – Prevention and treatment of postoperative nausea and vomiting (PONV) in adults and children aged 2 years and older.<br>- Not recommended for routine prophylaxis in patients with low risk of PONV. |
| Administration | – Intravenous: Can be infused rapidly (within 30 seconds) or diluted and infused over up to 15 minutes.<br>- Oral: For pediatric patients, the injection solution can be mixed with apple or apple-grape juice. |
| Dosage | – Intravenous: 12.5 mg dose is effective for preventing PONV.<br>- Pediatric Oral: 1.2 mg/kg up to a maximum of 100 mg, given within 2 hours before surgery. |
| Storage Conditions | Store at 20-25°C (68-77°F) with excursions permitted to 15-30°C (59-86°F). Protect from light. |
| Contraindications | – Hypersensitivity to dolasetron.<br>- Intravenous use is contraindicated for preventing nausea and vomiting associated with cancer chemotherapy due to QT prolongation. |
| Special Considerations | – ECG monitoring recommended for elderly and renally impaired patients.<br>- Stability: Diluted solution is stable at room temperature for 24 hours or under refrigeration for 48 hours. |
| Adverse Effects | – Common: Headache, dizziness, somnolence.<br>- Rare: QT prolongation, arrhythmias |
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