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Trimethobenzamide (Ro 2-9578 free base) is a D2 receptor antagonist and antiemetic agent, primarily utilized to mitigate nausea and vomiting by effectively blocking the D2 receptor.

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 5 mg | $970 | 7-10 days |
| Description | Trimethobenzamide (Ro 2-9578 free base) is a D2 receptor antagonist and antiemetic agent, primarily utilized to mitigate nausea and vomiting by effectively blocking the D2 receptor. |
| In vitro | Trimethobenzamide, a (non-phenothiazine) benzamide antiemetic, centrally inhibits D2 receptors. This action blocks the medullary chemoreceptor trigger zone, preventing emetic impulses from reaching the vomiting center[1]. |
| In vivo | Trimethobenzamide exhibits an oral bioavailability ranging from 60% to 100%. Peak plasma concentrations are achieved approximately 45 minutes following oral administration, and approximately 30 minutes after intramuscular (I.M.) administration[1]. |
| Synonyms | Trimethobenzamide, Ro 2-9578 free base |
| Molecular Weight | 388.46 |
| Formula | C21H28N2O5 |
| Cas No. | 138-56-7 |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |

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