Home Microbiology Bacterial chemical Azlocillin sodium salt For research use only.

Azlocillin sodium salt

Azlocillin is an acylampicillin with a broad spectrum against bacteria.

Azlocillin sodium salt Chemical Structure

Azlocillin sodium salt Chemical Structure

CAS No. 37091-65-9

Purity & Quality Control

Batch: S319501 DMSO]97 mg/mL]false]Water]97 mg/mL]false]Ethanol]3 mg/mL]false Purity: 99.05%
99.05

Azlocillin sodium salt Related Products

Biological Activity

Description Azlocillin is an acylampicillin with a broad spectrum against bacteria.
In vitro
In vitro Azlocillin (12.5 μg/mL) inhibits over 75% of the isolates of Pseudomonas aeruginosa. Azlocillin (12.5 μg/mL) is also active against indole-negative and -positive Proteus spp., inhibiting 98 and 71%, respectively. Azlocillin is more active than mezlocillin, ticarcillin, and carbenicillin and as active as BLP-1654 against isolates of P. aeruginosa. [1] The acyl side chains of Azlocillin have an ureido-(urea) structurehence the name "ureidopenicillins" or, more specifically, "acylureidopenicillins." In vitro studies against P. aeruginosa demonstrates that piperacillin has activity that is twice that of azlocillin, 4 times that of mezlocillin and ticarcillin, and about 8 times that of carbenicillin. Azlocillin produces elongated bacterial forms with delayed or no lysis in morphologic studies. [2] Azlocillin has MICs of 12.5 μg/mL on Pseudomonas aeruginosa. Azlocillin (3.125 μg/mL) results in a reduction in the rate of growth but no bactericidal phase on Pseudomonas aeruginosa. Azlocillin decreases an initial lag phase with increasing drug concentration. At the lower concentration of tobramycin (0.5 μg/ml), the combinations with both the high and the low concentrations of Azlocillin are more effective than the individual components on Pseudomonas aeruginosa. [3] Isolates with derepression of AmpC enzyme are one to two doubling dilutions more resistant to azlocillin than are those in which increased efflux or impermeability is inferred. Those with secondary β-lactamases are mostly (12/14 cases) susceptible to ceftazidime at 4 mg/L, but are amongst the most resistant to Azlocillin (MIC ≥128 mg/L in 10/14 cases). [4]
In Vivo
In vivo Azlocillin/netilmicin treatment results in infections inhibition rate of 42% (28/67) in the empirical therapy of febrile neutropenic patients. Azlocillin/netilmicin treatment results in 15% adverse events in the empirical therapy of febrile neutropenic patients. [5]

Chemical Information & Solubility

Molecular Weight 484.48 Formula

C20H23N5O6S.Na
CAS No. 37091-65-9 SDF Download Azlocillin sodium salt SDF
Smiles CC1(C(N2C(S1)C(C2=O)NC(=O)C(C3=CC=CC=C3)NC(=O)N4CCNC4=O)C(=O)[O-])C.[Na+]
Storage (From the date of receipt)

In vitro
Batch:

DMSO : 97 mg/mL ( (200.21 mM) Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Water : 97 mg/mL

Ethanol : 3 mg/mL


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In vivo
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Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

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Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

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