| 技術參數 Technical specification | |
| Product Name | Promethazine hydrochloride |
| CAS Number | 58-33-3 |
| Molecular Formula | C17H20N2S · HCl |
| Molecular Weight | ~320.88 g/mol |
| Appearance | White to pale yellow crystalline powder |
| Solubility | Soluble in water and alcohol |
| Uses | Antihistamine, antiemetic, sedative |
| Mechanism of Action | Blocks histamine receptors, has CNS effects |
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