• 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
Fluorouracil Impurity B

Fluorouracil Impurity B

Product ID F465818
Cas No. 496-76-4, 20636-41-3
Purity ≥95%
Product Unit SizeCostQuantityStock
250 mg $52.90 In stock
1 g $159.90 In stock
Bulk Quote

Quicklinks

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

Description

Fluorouracil Impurity B (isobarbituric acid) is an impurity of the pharmaceutical, fluorouracil.

Product Info

Cas No.

496-76-4, 20636-41-3

Purity

≥95%

Formula

C4H4N2O3

Formula Wt.

128.09

Chemical Name

Isobarbituric Acid

IUPAC Name

1,3-diazinane-2,4,5-trione

Synonym

5-Hydroxyuracil, Isobarbituric Acid, 2,4,5-Trihydroxypyrimidine; 5-hydroxy-1H-pyrimidine-2,4-dione; Pyrimidine-2,4,5-triol.

Solubility

Freely soluble in water.

Shipping and Storage

Store Temp

4°C

Ship Temp

Ambient

Downloads

Info Sheet

F465818 Info Sheet PDF

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

  • A0833

    Acipimox

    Niacin derivative.

    ≥98%
  • C2818

    Chelerythrine Chloride

    benzophenanthridine alkaloid found in Chelidoni...

    ≥98%
  • L5862

    Lopinavir

    HIV protease inhibitor, SERCA inhibitor.

    ≥98%
  • F3354

    Finasteride

    Steroid 5-α-reductase inhibitor.

    ≥98%
  • O0400

    Obatoclax

    BH3 mimetic; Bcl-2 and Bcl-xl inhibitor.

    ≥98%
  • P0256

    Pantoprazole Sodium Sesquihydrate

    H+/K+ ATPase and ROCK-2 inhibitor.

    ≥98%
  • U6856

    Urocortin II, human

    Endogenous peptide, involved in stress signaling; ...
    ≥95%
  • P6852

    Propafenone Hydrochloride

    β-adrenergic antagonist, Kv1.4 and K2P2 K+ cha...

    ≥98%
  • A6982

    Artesunate

    Sesquiterpene lactone derived from Artemesia.

    ≥98%
  • A2077

    Afatinib

    EGFR inhibitor.

    ≥98%
  • D364086

    Decernotinib

    JAK3 inhibitor.

    ≥99%
  • G0181

    Gastrin Releasing Peptide, human

    Endogenous bombesin-like peptide, involved in f...

    ≥95%
  • P691320

    PRI-724

    Wnt/beta-catenin/CBP inhibitor

    ≥98%
  • E9418

    Exendin 3 (9-39)

    Peptide, GLP-1 analog found in Heloderma; GLP-1...

    ≥95%
  • U6801

    Urapidil

    5-HT1A agonist, α1-adrenergic antagonist.

    ≥98%
  • I6068

    Ipriflavone

    Synthetic isoflavone.

    ≥98%
  • B3573

    Bisdemethoxycurcumin

    Curcumin derivative; DNMT1 and α-amylase inhib...

    ≥98%
  • O6932

    Oridonin

    Diterpenoid found in Rabdosia rubescens; potent...

    ≥98%
  • A4002

    AK-7

    SIRT2 inhibitor.

    ≥98%
  • C1649

    β-Cembrenediol

    Diterpene found in Anisomeles.

    ≥99%

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

©2025 LKT Laboratories, All Rights Reserved - Products for research use only