Droperidol is a pharmaceutical active pharmaceutical ingredient (API) belonging to the butyrophenone class of compounds. It is primarily used for its dopamine receptor antagonist activity and has applications in the management of nausea and vomiting and in selected anesthesia-related clinical settings.
Droperidol is a synthetic butyrophenone derivative that produces antiemetic and sedative effects primarily through antagonism of dopamine D2 receptors in the central nervous system. It is supplied as a pharmaceutical-grade API for the manufacture of approved pharmaceutical formulations.
Droperidol is a small-molecule pharmaceutical API used in the development and manufacture of injectable formulations. Its pharmacological activity is primarily associated with dopamine receptor blockade, particularly at D2 receptors.
Droperidol acts mainly as a dopamine D2 receptor antagonist. By blocking dopamine-mediated signaling in relevant areas of the central nervous system, it produces antiemetic effects. It also has sedative and tranquilizing properties associated with its central dopamine-antagonist activity.
Droperidol API is used in pharmaceutical formulations for:
The specific indications and dosage forms depend on the applicable regulatory approval.
Droperidol is generally described as a white to almost white crystalline powder. It is practically insoluble in water and soluble in selected organic solvents.
Droperidol API intended for pharmaceutical manufacturing should be manufactured under appropriate GMP controls and tested against applicable regulatory and quality requirements. Analytical testing may include identification, assay, related substances, residual solvents, water content, elemental impurities and other relevant quality attributes.
Droperidol is a specialized pharmaceutical API used in antiemetic and anesthesia-related formulations. Pharmaceutical manufacturers and formulation developers can evaluate Droperidol based on applicable regulatory requirements, analytical documentation, quality specifications and batch-specific Certificate of Analysis.
| Parameter | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification | Conforms to Droperidol identification tests |
| Assay (HPLC) | 98.0% – 102.0% |
| Loss on Drying | NMT 1.0% |
| Residue on Ignition | NMT 0.5% |
| Heavy Metals | NMT 20 ppm |
| pH (1% Solution) | 2.0 – 4.0 |
| Individual Impurity | NMT 0.5% |
| Total Impurities | NMT 1.0% |
| Water Content | NMT 1.0% |
| Melting Point | Approximately 220°C – 230°C |