Cefapirin
(Synonyms: 头孢匹啉,Cefadyl,Cephapirin) 目录号 : GC14253A cephalosporin antibiotic
Cas No.:21593-23-7
Sample solution is provided at 25 µL, 10mM.
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Quality Control & SDS
- View current batch:
- Purity: >95.00%
- COA (Certificate Of Analysis)
- SDS (Safety Data Sheet)
- Datasheet
Cefapirin is the first generation cephalosporin antibiotic. Cefapirin is broadly effective against gram-negative and gram-positive bacteria [1].
The antibacterial action of cefapirin was due to the inhibition of cell-wall synthesis, mediated by its binding to penicillin binding proteins. It was mainly used in veterinary medicine for intramammary treatment of mastitis and intrauterine treatment of endometritis in cattle [1,2].
Cefapirin was an antibiotic particularly suitable for the treatment of acute otitis media. In 210 strains isolated from the auricular exudate of childrens' acute otitis media, the MIC50 and MIC90 of cefapirin were 2 and 4 mg/l for 112 strains of Haemophilus. The MIC ranged from 0.25 to 4 mg/l for ten strains of Branhamella catarrhalis (9 secreted a beta-lactamase). Cefapirin had an extremely high activity with MIC50 and 90 less than 0.06 mg/l against Streptococcus pneumoniae. For the strains of Staphylococcus aureus sensitive to meticillin, one had a MIC less than 0.06 mg/l, and 11 had a MIC of 0.25 mg/l. For 14 strains of Enterobacteriaceae studied, the MIC 50 was 8 mg/l and the MIC 90 was 32 mg/l [3].
References:
[1] Committee for veterinary medicinal products: Cefapririn. EMEA, 1-6 (2001).
[2] Ray, P. ,Knowlton, K.F.,Shang, C., et al. Development and validation of a UPLC-MS/MS method to monitor cephapirin excretion in dairy cows following intramammary infusion. PLoS One 9(11), 1-12 (2014).
[3] Simonet M, Herrmann J L, Gehanno P, et al. Activity of cefapirin against bacterial strains isolated from acute otitis media in children[J]. Pathologie-biologie, 1990, 38(5): 352-354.
| Cas No. | 21593-23-7 | SDF | |
| 别名 | 头孢匹啉,Cefadyl,Cephapirin | ||
| 化学名 | (6R,7R)-3-[(acetyloxy)methyl]-8-oxo-7-[[(4-pyridinylthio)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid | ||
| Canonical SMILES | O=C(N[C@@H]1C(N2[C@]1([H])SCC(COC(C)=O)=C2C(O)=O)=O)CSC3=CC=NC=C3 | ||
| 分子式 | C17H17N3O6S2 | 分子量 | 423.5 |
| 溶解度 | ≤10mg/ml in DMSO;5mg/ml in dimethyl formamide | 储存条件 | Store at -20°C |
| General tips | 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；一旦配成溶液，请分装保存，避免反复冻融造成的产品失效。 储备液的保存方式和期限：-80°C 储存时，请在 6 个月内使用，-20°C 储存时，请在 1 个月内使用。 为了提高溶解度，请将管子加热至37℃，然后在超声波浴中震荡一段时间。 |
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| Shipping Condition | 评估样品解决方案：配备蓝冰进行发货。所有其他可用尺寸：配备RT，或根据请求配备蓝冰。 | ||
| 制备储备液 | |||
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1 mg | 5 mg | 10 mg |
| 1 mM | 2.3613 mL | 11.8064 mL | 23.6128 mL |
| 5 mM | 0.4723 mL | 2.3613 mL | 4.7226 mL |
| 10 mM | 0.2361 mL | 1.1806 mL | 2.3613 mL |
| 第一步：请输入基本实验信息（考虑到实验过程中的损耗，建议多配一只动物的药量） | ||||||||||
| 给药剂量 | mg/kg |  |
动物平均体重 | g | |
每只动物给药体积 | ul | |
动物数量 | 只 |
| 第二步：请输入动物体内配方组成（配方适用于不溶于水的药物；不同批次药物配方比例不同，请联系GLPBIO为您提供正确的澄清溶液配方） | ||||||||||
| % DMSO % % Tween 80 % saline | ||||||||||
| 计算重置 | ||||||||||
计算结果:
工作液浓度： mg/ml；
DMSO母液配制方法： mg 药物溶于 μL DMSO溶液（母液浓度 mg/mL，
体内配方配制方法：取 μL DMSO母液，加入 μL PEG300，混匀澄清后加入μL Tween 80，混匀澄清后加入 μL saline，混匀澄清。
1. 首先保证母液是澄清的；
2.
一定要按照顺序依次将溶剂加入，进行下一步操作之前必须保证上一步操作得到的是澄清的溶液，可采用涡旋、超声或水浴加热等物理方法助溶。
3. 以上所有助溶剂都可在 GlpBio 网站选购。