您的购物车当前为空
别名 头孢噻呋盐酸盐, U-67279A, Excenel hydrochloride, Ceftiofur HCl
Ceftiofur hydrochloride (U-67279A) 是头孢噻呋的盐酸盐形式,是一种β-内酰胺酶稳定的半合成广谱头孢菌素,具有抗菌活性。

Ceftiofur hydrochloride (U-67279A) 是头孢噻呋的盐酸盐形式,是一种β-内酰胺酶稳定的半合成广谱头孢菌素,具有抗菌活性。
| 规格 | 价格 | 库存 | 数量 |
|---|---|---|---|
| 50 mg | ¥ 133 | 待询 | |
| 100 mg | ¥ 179 | 待询 | |
| 500 mg | ¥ 392 | 待询 | |
| 1 g | ¥ 582 | 待询 | |
| 1 mL x 10 mM (in DMSO) | ¥ 118 | 待询 |
Ceftiofur hydrochloride 相关产品
| 产品描述 | Ceftiofur hydrochloride (U-67279A) is the hydrochloride salt form of ceftiofur, a semisynthetic, beta-lactamase-stable, broad-spectrum, third-generation cephalosporin with antibacterial activity. |
| 体外活性 | Ceftiofur能够下调肿瘤坏死因子-α(TNF-α)、白细胞介素-1β(IL-1β)和白细胞介素-6(IL-6)的表达,但对白细胞介素-10(IL-10)的产生没有影响。Ceftiofur显著抑制RAW 264.7细胞中细胞外信号调节激酶(ERK)、p38和c-jun NH(2)-末端激酶(JNK)磷酸化蛋白的表达。此外,Ceftiofur还能抑制p65-NF-κB转移到RAW 264.7细胞核中。[1] |
| 体内活性 | Ceftiofur治疗与新生犊牛直肠温度显著下降和腹泻减少相关。此外,Ceftiofur能显著降低新生犊牛粪便中Salmonella细菌的排泄。[2] Ceftiofur Hydrochloride (经子宫内给药(i.u.))在临床子宫内膜炎奶牛中,减少了阳性子宫培养的发生率(29.0%对比51.4%),并且在泌乳51天时,显著减低了Arcanobacterium pyogenes的整体发生率(1.0%对比7.6%)。Ceftiofur Hydrochloride能有效减少临床子宫内膜炎奶牛的子宫感染率和A. pyogenes的发生率,但对患有亚临床子宫内膜炎或已接受PGF(2alpha)治疗的奶牛的生育能力没有影响。[3] Ceftiofur Hydrochloride (通过肌肉(i.m.)注射)在注射后1-4小时内可达到最大浓度(C(max)) 11.8 mg/mL,平均曲线下面积(AUC)为216 m g x h/mL于猪中。[4] Ceftiofur Hydrochloride(以2.2 mg of CE/kg的剂量,皮下(SC)或肌内(IM)注射,每天一次,连续5天)对治疗奶牛急性产后子宫炎(APM)有效。[5] |
| 别名 | 头孢噻呋盐酸盐, U-67279A, Excenel hydrochloride, Ceftiofur HCl |
| 分子量 | 560.02 |
| 分子式 | C19H17N5O7S3·HCl |
| CAS No. | 103980-44-5 |
| Smiles | CO/N=C(\c1csc(n1)N)/C(=O)N[C@H]1[C@@H]2N(C1=O)C(=C(CS2)CSC(=O)c1ccco1)C(=O)O.Cl |
| 密度 | no data available |
| 存储 | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | ||||||||||||||||||||||||||||||||||||||||
| 溶解度信息 | Ethanol: 21 mg/mL (37.5 mM), Sonication is recommended. DMSO: 93 mg/mL (166.07 mM), Sonication is recommended. H2O: < 1 mg/mL (insoluble or slightly soluble) | ||||||||||||||||||||||||||||||||||||||||
溶液配制表 | |||||||||||||||||||||||||||||||||||||||||
Ethanol/DMSO
DMSO
| |||||||||||||||||||||||||||||||||||||||||
评论内容