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Avibactam sodium

Cat. No. M6174

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Avibactam sodium Structure
Synonym:

NXL-104

Size Price Availability Quantity
2mg USD 50  USD50 In stock
5mg USD 65  USD65 In stock
10mg USD 92  USD92 In stock
50mg USD 200  USD200 In stock
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Quality Control & Documentation
Biological Activity

In vitro: Avibactam (NXL104) sodium is a molecule with little antibacterial activity, that inhibits class A and C β-lactamases. Avibactam inactivates most important β-lactamases except metallo types and Acinetobacter OXA carbapenemases.

In vivo: Avibactam sodium displays a slow return of activity with an off-rate of 0.045±0.022 min-1, which converts to a residence time half-life (tt1/2) of 16±8 min. The measured off-rate for Avibactam suggests that slow deacylation through hydrolysis or reversibility is occurring, and it is in contrast to previously reported extremely long t1/2 values of >1 or >7 d for Avibactam inhibition of TEM-1[1]. Avibactam is a new promising β-lactamase inhibitor, to overcome resistance caused by β-lactamases. Mice are infected with ca.106 CFU of Pseudomonas aeruginosa intramuscularly into the thigh or intranasally to cause pneumonia and are given 8 different (single) subcutaneous doses of Ceftazidime and Avibactam in various combined concentrations, ranging from 1 to 128 mg/kg of body weight in 2-fold increases. The mean estimated half-life in plasma of Ceftazidime in the terminal phase is 0.28 h (SD, 0.02 h), and that of Avibactam is 0.24 h (SD, 0.04 h). Volumes of distribution are 0.80 liters/kg (SD, 0.14 liters/kg) and 1.18 liters/kg (SD, 0.34 liters/kg), respectively.

Chemical Information
Molecular Weight 287.23
Formula C7H10N3NaO6S
CAS Number 1192491-61-4
Solubility (25°C) 30 mg/mL in DMSO
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
References

[1] Dubée V, et al. J Antimicrob Chemother. β-Lactamase inhibition by avibactam in Mycobacterium abscessus.

[2] MacVane SH, et al. Antimicrob Agents Chemother. Unexpected in vivo activity of ceftazidime alone and in combination with avibactam against New Delhi metallo-β-lactamase-producing Enterobacteriaceae in a murine thigh infection model.

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Keywords: Avibactam sodium, NXL-104 supplier, inhibitors, activators

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