| 中文名称 | 双氯西林钠 |
| 英文名称 | Dicloxacillin sodium |
| CAS号 | 13412-64-1 |
| 分子式 | C19H20Cl2N3NaO6S |
| 分子量 | 512.33 |
| EINECS号 | 603-794-2 |
| 熔点 | 222-225°C |
| 比旋光度 | D20 +127.2° (water) |
| 溶解度 | H2O中可溶50mg/mL |
| 形态 | 粉末 |
| 颜色 | 白色至类白色 |
| 水溶解性 | Soluble in water |
| BRN | 4778711 |
| 稳定性 | 吸湿性 |
| 危险品标志 | Xn |
| 危险类别码 | 36/37/38-42/43 |
| 安全说明 | 22-26-36/37-45 |
| WGK Germany | 2 |
| RTECS号 | XH8925000 |
| 海关编码 | 29411099 |
| 毒性 | LD50 in mice (g/kg): 0.9 i.v.; in rats (g/kg): 0.63 i.p.; >5 orally (Gloxhuber) |
双氯西林钠为半合成β-内酞胺青霉素,主要用于对青霉素耐药的葡萄球菌感染,包括败血症、心内膜炎、骨髓炎、呼吸道感染及创面感染等。本品为白色结晶性粉末,分子中含有一分子结晶水,微有引湿性,易溶于水。在干燥条件下性质稳定,当有水存在时稳定性降低,临床仅有片剂、胶囊剂和干混悬剂等固体制剂使用。

Dicloxacillin exhibits EC 50 values of 0.06 and 0.50 mg/L in ATCC 25923 and E19977, respectively. Dicloxacillin exhibits MIC values of 0.125 and 0.5 mg/L in ATCC 25923 and E19977 with pH 7.4, respectively.
Cell Viability Assay
| Cell Line: | Strains ATCC 25923 and E19977. |
| Concentration: | 0-500 mg/L. |
| Incubation Time: | Up to 24 h. |
| Result: | Exhibited EC 50 values of 0.06 and 0.50 mg/L in ATCC 25923 and E19977, respectively. |
Dicloxacillin exhibits therapeutic activity in murine peritonitis-sepsis model and all the mice are survivied.
| Animal Model: | Female outbred Swiss Webster mice (Murine peritonitis-sepsis model). |
| Dosage: | 125 mg/kg. |
| Administration: | IV injection, single doses. |
| Result: | All the mice survived. |