• 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

  • N7200

    NS-11394

    GABA-A α5/3/2 positive modulator.

    ≥98%
  • F5668

    Forskolin

    Labdane diterpene found in Coleus; PP2A and ade...

    ≥98%
  • L8008

    D-Luciferin, firefly, Free Acid

    Heterocyclic light-emitting compound, natural l...

    ≥98%
  • C0169

    Carbenoxolone Disodium

    Synthetic derivative of glycyrrhizin; connexin ...

    ≥97%
  • G346851

    Givinostat Hydrochloride

    Non-selective HDAC inhibitor.

    ≥98%
  • B8248

    Bumetanide

    Loop diuretic; NKCC symporter and KCC2 co-trans...

    ≥98%
  • C9677

    Cyclocytidine Hydrochloride

    Pyrimidine nucleoside analog; DNA synthesis inh...

    ≥98%
  • D1770

    Dermorphin Analog

    Synthetic peptide; dermorphin analog; δOR and ...

    ≥95%
  • A6922

    Arformoterol Tartrate

    R,R enantiomer of formoterol; β2-adrenergic an...

    ≥98%
  • S680017

    SR-717 Lithium Salt

    STING agonist

    ≥98%
  • I7074

    Irsogladine Maleate

    NSAID; COX-1/2 and PDE inhibitor.

    ≥98%
  • R3310

    Ricobendazole

    Nitroimidazole; microtubule polymerization inhi...

    ≥98%
  • G7340

    GSK-126

    EZH2 HMT inhibitor.

    ≥98%, ≥99%ee
  • A851322

    Avibactam Sodium

    Diazabicyclooctane β-lactamase inhibitor.

    ≥98%
  • K040007

    KB-0742

    CDK9 inhibitor.

    ≥98%
  • C5662

    Copper Bis-3,5-diisopropylsalicylate

    Antioxidant.

    ≥97%
  • C0368

    Carveol

    Terpene alcohol found in spearmint oil; TRPV3 a...

    ≥99%
  • L1786

    Levofloxacin Hydrochloride Monohydrate

    Fluoroquinolone, S-(-) isomer of ofloxacin; top...

    ≥90%
  • N0163

    2-(1,8-Naphthyridin-2-yl)phenol

    Naphthalene; indirect STAT1 agonist.

    ≥98%
  • D1631

    Dehydrocorydaline

    Alkaloid compound originally found in Corydalis...

    ≥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