219380
Cefotaxime sodium salt 钠盐
Potent β-lactamase-resistant antibiotic of cephalosporin class. Active against Gram-positive and Gram-negative organisms, including Gram-negative anaerobes. Inhibits cell wall synthesis.
别名:
Cefotaxim sodium salt 钠盐
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关于此项目
经验公式（希尔记法）:
C16H16N5NaO7S2
化学文摘社编号:
分子量:
477.45
UNSPSC Code:
12352200
Beilstein/REAXYS Number:
5711411
MDL number:
InChI
1S/C16H17N5O7S2.Na/c1-6(22)28-3-7-4-29-14-10(13(24)21(14)11(7)15(25)26)19-12(23)9(20-27-2)8-5-30-16(17)18-8;/h5,10,14H,3-4H2,1-2H3,(H2,17,18)(H,19,23)(H,25,26);/q;+1/p-1/b20-9-;/t10-,14-;/m1./s1
SMILES string
[Na+].[H][C@]12SCC(COC(C)=O)=C(N1C(=O)[C@H]2NC(=O)C(=N/OC)\c3csc(N)n3)C([O-])=O
InChI key
AZZMGZXNTDTSME-JUZDKLSSSA-M
assay
≥91% dry basis (HPLC)
form
crystalline solid
optical activity
[α]/D +58 to +64°, c = 1 in H2O
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze, desiccated (hygroscopic), protect from light
color
white
solubility
water: 250 mg/mL
shipped in
ambient
storage temp.
15-25°C
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General description
Potent β-lactamase-resistant antibiotic of cephalosporin class. Active against gram-positive and gram-negative organisms, including gram-negative anaerobes. Inhibits cell wall synthesis. Has an optimal pH of 4.5-6.5.
Biochem/physiol Actions
Mode of Action: Inhibits bacterial cell wall synthesis.
Cefotaxim inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs) which inhibits the final transpeptidation step of peptidoglycan synthesis in bacterial cell walls. As a result, bacteria lyse due to cell wall autolytic enzymes.
Preparation Note
Following reconstitution, aliquot and freeze (-20°C) for long term storage or refrigerate (4°C) for short-term storage. Stock solutions are stable for up to 10 days at 4°C or for up to 13 weeks at -20°C.
Other Notes
Broad spectrum third generation cephalosporin antibiotic.
Molinari, G., et al. 1991. J. Chemotherap. 3, 6.
Vallee, F., and LeBel, M. 1991. Antimicrob. Agents Chemother. 35, 2057.
Vallee, F., and LeBel, M. 1991. Antimicrob. Agents Chemother. 35, 2057.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
Toxicity: Standard Handling (A)
signalword
Danger
hcodes
Hazard Classifications
Resp. Sens. 1 - Skin Sens. 1
存储类别
11 - Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
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