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Fosravuconazole

Alias: Fosravuconazole; BEF-1224; BMS 379224; E-1224; BEF1224; BMS379224; E 1224; BEF 1224; BMS-379224; E1224.
Cat No.:V3507 Purity: ≥98%
Fosravuconazole (formerly known as E-1224, BEF-1224, and BMS-379224) is an azole-based antifungal agent that can be potentially used for the treatment of fungal infections.
Fosravuconazole
Fosravuconazole Chemical Structure CAS No.: 351227-64-0
Product category: Others 8
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
1mg
Other Sizes

Other Forms of Fosravuconazole:

  • Fosravuconazole L-lysine ethanolate
Official Supplier of:
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Top Publications Citing lnvivochem Products
Purity & Quality Control Documentation

Purity: ≥98%

Product Description

Fosravuconazole (formerly known as E-1224, BEF-1224, and BMS-379224) is an azole-based antifungal agent that can be potentially used for the treatment of fungal infections. It is a prodrug of ravuconazole with improved water solubility. The phosphonooxymethyl ether fosravuconazole was prepared from ravuconazole and bis-tert-butyl chloromethylphosphate. Fosravuconazole was highly soluble in water and converted to the parent in alkaline phosphatase, and also in vivo (rat). Fosravuconazole has proved to be one of the most promising prodrugs of ravuconazole that were tested, and it is currently in clinical evaluation as an intravenous formulation of the broad spectrum antifungal azole, ravuconazole.

Biological Activity I Assay Protocols (From Reference)
ln Vitro
Strong in vitro antifungal activity of Ravuconodium has been observed against Candida, Aspergillus, and Trichophyton, among other fungi [1].
ln Vivo
In mice infected with the Y strain of Trypanosoma cruzi, treatment with foslaconazole (E-1224; 10-50 mg/kg; oral; daily; for 20 days) lowers parasitemia and averts death [3].
Animal Protocol
Animal/Disease Models: Swiss female mice (20-24 g) inoculated with trypomastigotes (Y strain) [3].
Doses: 10 mg/kg, 20 mg/kg, 30 mg/kg, 40 mg/kg, 50 mg/kg
Route of Administration: Oral; daily; for 20 days
Experimental Results: Suppression of parasitemia and prevention of death.
References

[1]. Efficacy and safety of fosravuconazole L-lysine ethanolate, a novel oral triazole antifungal agent, for the treatment of onychomycosis: A multicenter, double-blind, randomized phase III study. J Dermatol. 2018 Oct;45(10):1151-1159.

[2]. Development of E1224 by leveraging a strategic partnership for the medicines creation against neglected tropical diseases. Parasitol Int. 2020 Dec 25;81:102278.

[3]. Outcome of E1224-Benznidazole Combination Treatment for Infection with a Multidrug-Resistant Trypanosoma cruzi Strain in Mice. Antimicrob Agents Chemother. 2018 May 25;62(6):e00401-18.

Additional Infomation
BMS 379224 is an amine.
Fosravuconazole is under investigation in clinical trial NCT03378661 (BENDITA BEnznidazole New Doses Improved Treatment and Associations).
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C23H20F2N5O5PS
Molecular Weight
547.470971107483
Exact Mass
547.089
CAS #
351227-64-0
Related CAS #
Fosravuconazole L-lysine ethanolate;914361-45-8
PubChem CID
9807507
Appearance
Off-white to light yellow solid powder
LogP
4.334
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
12
Rotatable Bond Count
10
Heavy Atom Count
37
Complexity
859
Defined Atom Stereocenter Count
2
SMILES
C[C@@H](C1=NC(=CS1)C2=CC=C(C=C2)C#N)[C@](CN3C=NC=N3)(C4=C(C=C(C=C4)F)F)OCOP(=O)(O)O
InChi Key
SYTNEMZCCLUTNX-NPMXOYFQSA-N
InChi Code
InChI=1S/C23H20F2N5O5PS/c1-15(22-29-21(10-37-22)17-4-2-16(9-26)3-5-17)23(11-30-13-27-12-28-30,34-14-35-36(31,32)33)19-7-6-18(24)8-20(19)25/h2-8,10,12-13,15H,11,14H2,1H3,(H2,31,32,33)/t15-,23+/m0/s1
Chemical Name
(((2R,3R)-3-(4-(4-cyanophenyl)thiazol-2-yl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-yl)oxy)methyl dihydrogen phosphate
Synonyms
Fosravuconazole; BEF-1224; BMS 379224; E-1224; BEF1224; BMS379224; E 1224; BEF 1224; BMS-379224; E1224.
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO : ~100 mg/mL (~182.66 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (4.57 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.5 mg/mL (4.57 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

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Solubility in Formulation 3: ≥ 2.5 mg/mL (4.57 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 1.8266 mL 9.1329 mL 18.2658 mL
5 mM 0.3653 mL 1.8266 mL 3.6532 mL
10 mM 0.1827 mL 0.9133 mL 1.8266 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
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  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
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  • The answer appears in the Volume (to add to vial) box
In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution 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 stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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