Home Microbiology Anti-infection chemical Azithromycin Dihydrate

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Azithromycin Dihydrate Anti-infection chemical

Cat.No.S4147

Azithromycin Dihydrate(CP-62993 dihydrate) is an acid stable orally administered macrolide antimicrobial drug, structurally related to erythromycin.
Azithromycin Dihydrate Anti-infection chemical Chemical Structure

Chemical Structure

Molecular Weight: 785.02

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Quality Control

Batch: S414701 DMSO]100 mg/mL]false]Ethanol]100 mg/mL]false]Water]Insoluble]false Purity: 100.0%
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100.0

Solubility

In vitro
Batch:

DMSO : 100 mg/mL (127.38 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Ethanol : 100 mg/mL

Water : Insoluble

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In vivo
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Working concentration: mg/ml;

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.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such
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Chemical Information, Storage & Stability

Molecular Weight 785.02 Formula

C38H72N2O12.2H2O

 Storage (From the date of receipt)
CAS No. 117772-70-0 Download SDF Storage of Stock Solutions

Synonyms CP-62993 dihydrate Smiles CCC1C(C(C(N(CC(CC(C(C(C(C(C(=O)O1)C)OC2CC(C(C(O2)C)O)(C)OC)C)OC3C(C(CC(O3)C)N(C)C)O)(C)O)C)C)C)O)(C)O.O.O

Mechanism of Action

In vitro

Azithromycin displays a similar spectrum of antimicrobial activity. Azithromycin is marginally less active than erythromycin in vitro against Gram-positive organisms, although this is of doubtful clinical significance as susceptibility concentration fall within the range of achievable tissue Azithromycin concentrations. The mean MIC90 of Azithromycin against erythromycin susceptible/βL-ve strains, Streptococcus strains and NS (not selected for antimicrobial sesitivity)/erythromycin susceptible strains is 0.63, 0.35, and <0.27 mg/L, respectively. In contrast, Azithromycin appears to be more active than erythromycin against many Gram-negative pathogens and several other pathogens, notably Haemophilus influenza (MIC90, 1.34 mg/L), H. parainfluenzae(MIC90, 1 mg/L), Moraxella catarrhalis (MIC90, <0.1 mg/L), Neisseria gonorrhoeae (MIC90, 0.25 mg/L), Ureaplasma urealyticum, Bordetella spp (MIC90, 0.03-0.24 mg/L) and Borrelia burgdorferi. Azithromycin is also activity against clinical isolates of anaerobic bacteria Gram-positive cocci and propionibacterium acnes with MIC90 of 2.3, 0.03 mg/L. Like erythromycin and other macromycin, the activity of Azithromycin is unaffected by the production of β-lactamase. However, erythromycin-resistant organisms are also resistant to Azithromycin.

References

Clinical Trial Information

(data from https://clinicaltrials.gov, updated on 2024-05-22)

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT05972772 Not yet recruiting
Infectious Disease|Therapeutics
Lao-Oxford-Mahosot Hospital Wellcome Trust Research Unit|Mahidol Oxford Tropical Medicine Research Unit
 March 20 2024 Phase 2|Phase 3
NCT05796362 Not yet recruiting
Infectious Disease|Drug Effect|Clinical Infection
Brigham and Women''s Hospital|Bill and Melinda Gates Foundation
 April 2023 Phase 1

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