Flucytosine
Based on 3 publication(s) in Google Scholar
Flucytosine (5-Fluorocytosine) is an antifungal compound with oral activity. Flucytosine is a widely used cytotoxic drug that, after further metabolism, produces fluorinated ribonucleotides and deoxyribonucleotides, inhibits DNA and protein synthesis, and has multiple effects such as inhibiting candida and candida neoplasm infection and producies cytotoxicity to cancer cells.
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- Purity: 99.99%
- CAS No.: 2022-85-7
- 화학식: C4H4FN3O
- 분자량:129.09
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보관:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 1 year , -20°C, 6 months
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Publications Citing Use of MedChemExpress (MCE) Flucytosine
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Biological Activity
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Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| CCRF-CEM | IC50 |
>100 μM
Compound: 5-Fluorocytosine
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Cytotoxicity was determined in CEM cells, relative to RVT
Cytotoxicity was determined in CEM cells, relative to RVT
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[PMID: 15081000] |
| Vero | IC50 |
>100 μM
Compound: 5-Fluorocytosine
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Cytotoxicity was determined in Vero cells, relative to RVT
Cytotoxicity was determined in Vero cells, relative to RVT
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[PMID: 15081000] |
Flucytosine transfected CD-gene hMSC (CD-hMSC) effectively converts 5-FC into 5-FU, showing anti-cancer therapeutic potential[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Flucytosine (50, 75 mg/kg/ day, gavage, 3-30 days) combines with itraconazole (HY-17514) can effectively inhibit cryptococcus infection in hamsters[3].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:CD-hMSC mice[2]
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Dosage:500 mg/kg
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Administration:i.v. for 7 days
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Result:Inhibited tumor volume and bodyweight.
| NCT Number | Sponsor | Condition | Start Date |
Phase
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|---|---|---|---|---|
| NCT01329991 | Plexxikon| | 2011-05 | PHASE1 |
Chemical Information
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CAS No. 2022-85-7
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Appearance Solid
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분자량 129.09
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화학식 C4H4FN3O
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Color White to off-white
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SMILES
O=C1NC=C(F)C(N)=N1
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Synonyms
5-Fluorocytosine; NSC 103805; Ro 2-9915
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선적
Room temperature in continental US; may vary elsewhere.
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보관
Powder -20°C 3 years 4°C 2 years In solvent -80°C 1 year -20°C 6 months
Publications (3)
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Journal Impact Factor
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Most Recent
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Front Microbiol
Ketoconazole induces reversible antifungal drug tolerance mediated by trisomy of chromosome R in Candida albicans. [Abstract]2024 Jul 30:15:1450557. PMID: 39139375
Flucytosine purchased from MedChemExpress. Usage Cited in: Front Microbiol. 2024 Jul 30:15:1450557. [Abstract]
We evaluated the resistance of wild-type strain SC5314 and two strains carrying ChrR trisomy and tetrasomy mutations, respectively, to a range of antifungal drugs, including azoles (clotrimazole and miconazole), echinocandins (caspofungin), and pyrimidines (5-Fluorocytosine).
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Appl Microbiol Biotechnol
Aloin remodels the cell wall of Candida albicans to reduce its hyphal virulence against oral candidiasis. [Abstract]2025 Jan 24;109(1):21. PMID: 39853490 -
Microbiol Spectr
Synergistic antifungal activity of minocycline as an effective augmenting agent of fluconazole against drug-resistant Candida tropicalis. [Abstract]2025 Mar 31:e0318524. PMID: 40162832
용액&용해도
DMSO : 16.67 mg/mL (129.13 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
H2O : 6.67 mg/mL (51.67 mM; Need ultrasonic)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 1 year; -20°C, 6 months. When stored at -80°C, please use it within 1 year. When stored at -20°C, please use it within 6 months.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 1 year; -20°C, 6 months. When stored at -80°C, please use it within 1 year. When stored at -20°C, please use it within 6 months.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Select the appropriate dissolution method based on your experimental animal and administration route.
- For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
- To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for In Vivo experiments, it is recommended to prepare freshly and use it on the same day.
- The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.
Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 1.67 mg/mL (12.94 mM); Clear solution
This protocol yields a clear solution of ≥ 1.67 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (16.7 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.
Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: ≥ 1.67 mg/mL (12.94 mM); Clear solution
This protocol yields a clear solution of ≥ 1.67 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (16.7 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
For the following dissolution methods, please prepare the working solution directly:
It is recommended to prepare fresh solutions and use them promptly within a short period of time.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.
Add each solvent one by one: PBS
Solubility: 8.67 mg/mL (67.16 mM); Clear solution; Need ultrasonic
Please enter the basic information of animal experiments:
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
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%DMSO +
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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%+
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+%Tween-80 + +
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%Saline +
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Working solution concentration: 0.22 mg/mL
Method for preparing stock solution: mg drug dissolved in μL DMSO. Stock solution concentration: mg/mL.
1. Take μL DMSO stock solution;
2. Add μL .
μL , mix evenly;
3. Then add μL Tween 80, mix evenly;
4. Then add μL
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
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Data Sheet (277 KB)
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Handling Instructions (2659 KB)
References
[1]. Vermes A, et al. Flucytosine: a review of its pharmacology, clinical indications, pharmacokinetics, toxicity and drug interactions. J Antimicrob Chemother. 2000 Aug;46(2):171-9. [Content Brief]
[2]. You MH, et al. Cytosine deaminase-producing human mesenchymal stem cells mediate an antitumor effect in a mouse xenograft model. J Gastroenterol Hepatol. 2009 Aug;24(8):1393-400. [Content Brief]
[3]. Iovannitti C, et al. Itraconazole and flucytosine+itraconazole combination in the treatment of experimental cryptococcosis in hamsters. Mycoses. 1995 Nov-Dec;38(11-12):449-52. [Content Brief]
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 1 year; -20°C, 6 months. When stored at -80°C, please use it within 1 year. When stored at -20°C, please use it within 6 months.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| H2O / DMSO | 1 mM | 7.7465 mL | 38.7327 mL | 77.4653 mL | 193.6633 mL |
| 5 mM | 1.5493 mL | 7.7465 mL | 15.4931 mL | 38.7327 mL | |
| 10 mM | 0.7747 mL | 3.8733 mL | 7.7465 mL | 19.3663 mL | |
| 15 mM | 0.5164 mL | 2.5822 mL | 5.1644 mL | 12.9109 mL | |
| 20 mM | 0.3873 mL | 1.9366 mL | 3.8733 mL | 9.6832 mL | |
| 25 mM | 0.3099 mL | 1.5493 mL | 3.0986 mL | 7.7465 mL | |
| 30 mM | 0.2582 mL | 1.2911 mL | 2.5822 mL | 6.4554 mL | |
| 40 mM | 0.1937 mL | 0.9683 mL | 1.9366 mL | 4.8416 mL | |
| 50 mM | 0.1549 mL | 0.7747 mL | 1.5493 mL | 3.8733 mL | |
| DMSO | 60 mM | 0.1291 mL | 0.6455 mL | 1.2911 mL | 3.2277 mL |
| 80 mM | 0.0968 mL | 0.4842 mL | 0.9683 mL | 2.4208 mL | |
| 100 mM | 0.0775 mL | 0.3873 mL | 0.7747 mL | 1.9366 mL |
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Flucytosine Related Classifications
HY-B0139 Related Classifications
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