• Skip to primary navigation
  • Skip to main content
  • Skip to footer

LKT Labs

Biochemicals for Life Science Research

  • Products
    • New Products
    • Cancer Biology
    • Cardiovascular
    • Endocrine Signaling and Immunology
    • Metabolic and GI Pathology
    • Microbiology
    • Natural Products
    • Neuroscience
    • Peptides
    • Pharmaceutical Impurities and Derivatives
    • Stem Cell Modulators
  • Services
    • Custom Synthesis
    • Natural Product Isolation
    • Analytical Services
  • Int’l Distributors
  • Support
    • About LKT Labs
    • General Inquiry
    • Bulk Quote Request
    • Document Request
    • Technical Support
    • Catalog Request
    • Product Flyers
  • Contact Us
  • Cart
  • Login / Register
5-Fluorocytosine

5-Fluorocytosine

Product ID F4581
Cas No. 2022-85-7
Purity ≥98%
Product Unit SizeCostQuantityStock
500 mg $53.00 In stock
1 g $79.00 In stock
5 g $158.00 In stock
10 g $289.00 In stock
Bulk Quote

Quicklinks

  • Description
  • Product Info
  • Shipping and Storage
  • Downloads
  • References
  • Description
  • Product Info
  • Shipping and Storage
  • Downloads
  • References
  • Custom Order

Description

5-Fluorocytosine, or Flucytosine, is a synthetic fluorinated pyrimidine analog that is used as an antifungal agent. In the presence of the enzyme cytosine deaminase it is converted to 5-fluorouracil, an antimetabolite that is an inhibitor of thymidylate synthase.

Product Info

Cas No.

2022-85-7

Purity

≥98%

Formula

C4H4FN3O

Formula Wt.

129.09

Chemical Name

6-amino-5-fluoro-2(1H)-pyrimidinone

IUPAC Name

4-Amino-5-fluoro-2(1H)-pyrimidinone

Synonym

Flucytosine, Ancobon, Ancotil, 5-FC, NSC 103805, Ro 2-9915

Solubility

Soluble in water (1.5 g/100 mL or 0.089 M).

Shipping and Storage

Store Temp

4°C

Ship Temp

Ambient

Downloads

MSDS

F4581 MSDS PDF

Info Sheet

F4581 Info Sheet PDF

References

Huang TT, Parab S, Burnett R, et al. Intravenous administration of retroviral replicating vector, Toca 511, demonstrates therapeutic efficacy in orthotopic immune-competent mouse glioma model. Hum Gene Ther. 2015 Feb; 26(2):82-93. PMID: 25419577.

Davoudi N, Khamesipour A, Mahboudi F, McMaster WR. A dual drug sensitive L. major induces protection without lesion in C57BL/6 mice. PLoS Negl Trop Dis. 2014 May 29; 8(5):e2785. PMID: 24873970.

O’Connor L, Livermore J, Sharp AD, et al. Pharmacodynamics of liposomal amphotericin B and flucytosine for cryptococcal meningoencephalitis: safe and effective regimens for immunocompromised patients. J Infect Dis. 2013 Jul 15; 208(2):351-361. PMID: 23599314.

Custom Order

  • Size of single unit expressed as number (e.g. '500' in the case of 500 mg)
  • Total quantity of unit size desired (e.g. '10' in the case of 10 x 500 mg). If only one unit is desired, you may leave this blank.
  • This field is for validation purposes and should be left unchanged.

Related Products

  • T5847

    Tolvaptan

    V2 antagonist.

    ≥99%
  • L3374

    Lisinopril Dihydrate

    Enalapril analog; ACE inhibitor.

    ≥98%
  • D3320

    Difenoconazole

    Triazole; 14-α demethylase inhibitor, potentia...

    ≥98%
  • H189921

    1,2,3,4,5,6-Hexabromocyclohexane

    JAK2 inhibitor

    ≥98%
  • C0269

    β-Carotene

    Red-orange terpene pigment found in various pla...

    ≥98%
  • C9779

    Cytisine

    Alkaloid found in Fabaceae family plants; α3β...

    ≥98%
  • E846184

    Everolimus EP Impurity B

    Everolimus impurity

    ≥96% (mix of E/Z)
  • S291333

    Shikonin

    Natural anthraquinone derivative

    ≥98%
  • T174441

    Telacebec

    Anti-tuberculosis

    ≥98%
  • A7476

    Astaxanthin

    Carotenoid found in shrimp, salmon, and algae.<...

    ≥97%
  • N0262

    Naphazoline Hydrochloride

    α1-adrenergic agonist.

    ≥97%
  • R0349

    Ramosetron

    5-HT3 antagonist.

    ≥99%
  • C0367

    S-(−)-Carbidopa Monohydrate

    Hydrazine; L-amino acid decarboxylase inhibitor...

    ≥98%
  • B0026

    Bafilomycin B1

    Macrolide; vacuolar H+-ATPase inhibitor.

    ≥97%
  • B1545

    Benzalkonium Bromide

    Quaternary ammonium cationic surfactant, dissoc...

    ≥95%
  • G7862

    GTPL-5846

    GPR84 agonist.

    ≥98%
  • T1678

    D,L-Tetrahydropalmatine

    Alkaloid found in Corydalis and Stephania; D1/2...

    ≥98%
  • A2054

    Aflatoxin M2

    Mycotoxin produced by species of Aspergillus; D...

    ≥98%
  • P6801

    Pravastatin Sodium

    Statin; HMG-CoA reductase inhibitor.

    ≥98%
  • H1992

    Hexaconazole

    Triazole; demethylation inhibitor.

    ≥95%

Footer

  • Contact Us
  • About Us
  • Site Map
  • Terms and Conditions
LKT Laboratories, Inc.
545 Phalen Blvd.
St. Paul MN, 55130

Ph: (888)-558-5227
Fax: (888)-558-7329

©2026 LKT Laboratories, All Rights Reserved - Products for research use only