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Submit ReviewPF 945863
Description: Macrolide antibiotic
Chemical Name: (3aS,4R,7R,9R,10R,11R,13R,15R,15aR)-4-Ethyloctahydro-11-methoxy-3a,7,9,11,13,15-hexamethyl-1-[1-[(1R)-1-(1,8-naphthyridin-4-yl)ethyl]-3-azetidinyl]-10-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-2H-oxacyclotetradecino[4,3-d]oxazole-2,6,8,14(1H,7H,9H)tetrone
Purity: ≥98% (HPLC)
Biological Activity
Macrolide antibiotic. Active against multidrug resistant respiratory tract bacterial strains. Does not have the hepatotoxic side effects associated with telithromycin. Orally active.
Licensing Information
Sold for research purposes under agreement from Pfizer Inc.
Technical Data
| M. Wt | 824.01 |
| Formula | C44H65N5O10 |
| Storage | Store at -20°C |
| Purity | ≥98% (HPLC) |
| CAS Number | 893556-85-9 |
| PubChem ID | 90488939 |
| InChI Key | FATPJRUUPNLGGR-ACVHMLGSSA-N |
| Smiles | O=C(N2C3CN([C@H](C)C4=C(C=CC=N5)C5=NC=C4)C3)O[C@](C2[C@H]1C)(C)[C@@H](CC)OC([C@H](C)C([C@H](C)[C@@H](O[C@@]6([H])[C@H](O)[C@@H](N(C)C)C[C@@H](C)O6)[C@](C)(OC)C[C@@H](C)C1=O)=O)=O |
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
Solubility Data
| Solvent | Max Conc. mg/mL | Max Conc. mM | |
|---|---|---|---|
| Solubility | |||
| DMSO | 82.4 | 100 | |
| ethanol | 82.4 | 100 |
Preparing Stock Solutions
The following data is based on the product molecular weight 824.01. Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.
| Concentration / Solvent Volume / Mass | 1 mg | 5 mg | 10 mg |
|---|---|---|---|
| 1 mM | 1.21 mL | 6.07 mL | 12.14 mL |
| 5 mM | 0.24 mL | 1.21 mL | 2.43 mL |
| 10 mM | 0.12 mL | 0.61 mL | 1.21 mL |
| 50 mM | 0.02 mL | 0.12 mL | 0.24 mL |
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Product Datasheets
References
References are publications that support the biological activity of the product.
Magee et al (2009) Discovery of azetidinyl ketolides for the treatment of susceptible and multidrug resistant community-acquired respiratory tract infections. J.Med.Chem. 52 7446 PMID: 19775168
Zientek et al (2010) In vitro-in vivo correlation for intrinsic clearance for drugs metabolized by human aldehyde oxidase. Drug Metab.Dispos. 38 1322 PMID: 20444863
If you know of a relevant reference for PF 945863, please let us know.
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Keywords: PF 945863, PF 945863 supplier, PF945863, macrolide, antibiotics, multidrug, resistant, respiratory, tract, bacterial, Antibiotics, 4419, Tocris Bioscience
Citations for PF 945863
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Reviews for PF 945863
Average Rating: 5 (Based on 1 Review.)
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Product used on mutated E.coli strains to see how the antibiotic strengths differ.
By
Richard Whiteoak on 01/24/2019
Assay Type: In Vitro
Species: Other
PF 945863 was plated to measure antibiotic strength against mutated E.Coli strains.
