• 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-Fluorouracil

5-Fluorouracil

Product ID F4480
Cas No. 51-21-8
Purity ≥98%
Product Unit SizeCostQuantityStock
1 g $44.00 In stock
5 g $114.00 In stock
25 g $361.00 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-Fluorouracil (5-FU) is an antimetabolite pyrimidine analog that exhibits anticancer chemotherapeutic activity; it inhibits thymidylate synthase, preventing thymidine synthesis. 5-FU is clinically used to treat various cancers and is often co-administered with other chemotherapeutics to decrease its peripheral cytotoxicity.

Product Info

Cas No.

51-21-8

Purity

≥98%

Formula

C4H3FN2O2

Formula Wt.

130.08

Chemical Name

5-Fluoro-2,4(1H,3H)-pyrimidinedione

IUPAC Name

5-fluoro-1H-pyrimidine-2,4-dione

Synonym

Fluorouracil, 5-FU, 2,4-dioxo-5-fluoropyrimidine

Melting Point

282-283°C(dec.)

Solubility

Slightly soluble in water (12 mg/mL).

Appearance

White Crystal Powder

Shipping and Storage

Store Temp

Ambient

Ship Temp

Ambient

Downloads

MSDS

F4480 MSDS PDF

Info Sheet

F4480 Info Sheet PDF

References

Papanastasopoulos P, Stebbing J. Molecular basis of 5-fluorouracil-related toxicity: lessons from clinical practice. Anticancer Res. 2014 Apr;34(4):1531-5. PMID: 24692679.

Longley DB, Harkin DP, Johnston PG. 5-fluorouracil: mechanisms of action and clinical strategies. Nat Rev Cancer. 2003 May;3(5):330-8. PMID: 12724731.

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

  • T3568

    Tirasemtiv

    Fast skeletal muscle troponin complex activator...

    ≥99%
  • A0958

    Aconitine

    Toxin found in Aconitum; voltage-gated Na+ chan...

    ≥95%
  • C9673

    Cysteamine Hydrochloride

    Aminothiol, CoA component; ulcer inducer.

    ≥99%
  • T0249

    Tamibarotene

    RARα/β agonist.

    ≥98%
  • C1876

    Cetirizine Dihydrochloride

    Histamine H1 antagonist.

    ≥99%
  • C0260

    Capsanthin

    Carotenoid originally found in Capsicum. Color ...

    Color value:100
  • E7758

    Etomidate

    GABA-A agonist.

    ≥99%
  • K740640

    KSQ-4279

    USP1 inhibitor

    ≥98%
  • A0401

    Abacavir

    Nucleoside (guanosine) analog; RT, guanylyl cyc...

    ≥98%
  • A0962

    Adrenocorticotropic Hormone (1-4)

    Endogenous peptide hormone fragment, involved i...

    ≥95%
  • C4517

    Clenbuterol Hydrochloride

    β2-adrenergic agonist.

    ≥98%
  • P1753

    Penicillamine

    Penicillin derivative, chelating agent; carboxy...

    ≥97%
  • S0048

    Salicin

    Alcoholic β-glucoside found in willow bark, sa...

    ≥98%
  • G1646

    Geldanamycin

    HSP90 inhibitor.

    ≥97%
  • K0038

    Kahweol Oleate

    Diterpene found in coffee beans.

    ≥98%
  • B8261

    Bupivacaine

    BK/SK, Kv1, Kv3, TASK-2 K+ channel blocker, vol...

    ≥99%
  • T1978

    Tetrahydroberberine

    Isoquinoline alkaloid found in Corydalis; 5-HT1...

    ≥98%
  • D0005

    Dabrafenib Mesylate

    B-Raf and c-Raf inhibitor.

    ≥98%
  • R2714

    Recombinant HCV-NS5 Antigens

    Recombinant HCV antigen fragment.

    ≥95%
  • D5649

    Domperidone

    D2/3 antagonist, hERG K+ channel blocker.

    ≥98%

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