• 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

  • T7035

    Triptolide

    Diterpenoid epoxide found in Tripterygium.

    ≥98%
  • N3474

    Nisoldipine

    Calcium channel blocker.

    ≥98%
  • L3250

    D-Limonene

    Terpene found in the rind of various citrus fru...

    ≥97%
  • L493400

    LMK-235

    Selective HDAC4 and HDAC5 inhibitor.

    ≥98%
  • M1685

    Mevastatin

    Statin; HMG-CoA reductase inhibitor.

    ≥98%
  • N7604

    Naltriben

    δ2OR antagonist.

    ≥95%
  • E0073

    Ebselen

    Synthetic glutathione peroxidase mimetic; yeast...

    ≥99%
  • A7332

    Asiatic Acid, 95%

    Triterpene aglycone originally found in Centell...

    ≥95%
  • D364086

    Decernotinib

    JAK3 inhibitor.

    ≥99%
  • T1027

    2’-Benzoylcarbonyl D-seco-Taxol

    2’-Benzoylcarbonyl D-seco-Taxol is an impurit...

    ≥90%
  • V1870

    Verruculogen

    Mycotoxin produced by Aspergillus; BK K+ channe...

    ≥95%
  • N5770

    Norfloxacin Hydrochloride

    First generation fluoroquinolone antibiotic.

    ≥98%
  • C4402

    Cladribine

    Nucleoside (deoxyadenosine) analog; DNA chain t...

    ≥98%
  • T1010

    7-Acetyl Paclitaxel

    Synthesis impurity

    ≥98%
  • M9644

    Myelin Basic Protein (87-99), guinea pig/human

    Immunodominant peptide epitope occurring in mul...

    ≥95%
  • U5232

    Uniconazole

    Triazole; gibberellin inhibitor, potential 14-Î...

    ≥98%
  • V9201

    VX-11e

    ERK2 inhibitor, potential AurKA, GSK3, CDK2, FL...

    ≥98%
  • C7097

    Cryptotanshinone

    Quinoid diterpene found in species of Salvia; S...

    ≥90%
  • P2816

    S-(N-3-Phenylpropylthiocarbamoyl)-L-cysteine

    Cysteine-ITC conjugate.

    ≥98%
  • G1658

    Gentamycin Sulfate

    Aminoglycoside; protein translation inhibitor.<...

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