• 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

  • T3132

    Thiazovivin

    ROCK inhibitor.

    ≥98%
  • P6264

    PPQ-102

    Pyramido-pyrrolo-quinoxalinedione; CFTR blocker...

    ≥98%
  • T6834

    Triacsin C

    Acyl-CoA synthetase inhibitor.

    ≥95%
  • S2792

    SGX-523

    MET inhibitor.

    ≥98%
  • U6901

    Uracil

    Endogenous pyrimidine base required for product...

    ≥98%
  • G0247

    2″O-Galloylhyperin

    Flavonoid glycoside found in Pyrola.

    ≥98%
  • C0006

    Cabozantinib

    VEGFR2, c-Met, RET inhibitor.

    ≥98%
  • C5618

    Coelenterazine, natural

    Light-emitting luciferin analog found in aquati...

    ≥98%
  • O9257

    16-Oxokahweol

    Synthetic kahweol derivative.

    ≥95%
  • L8008

    D-Luciferin, firefly, Free Acid

    Heterocyclic light-emitting compound, natural l...

    ≥98%
  • Z7477

    ZSTK474

    PI3K inhibitor.

    ≥98%
  • A5202

    Anabasine Hydrochloride

    Alkaloid originally found in species of Nicotia...

    ≥98%
  • P2012

    PF-04217903

    Triazolopyrazine; c-MET inhibitor.

    ≥98%
  • S7769

    Streptomycin Sulfate

    Aminoglycoside; protein translation inhibitor, ...

    ≥98%
  • G7346

    GSK-2636771

    p110β PI3K inhibitor.

    ≥98%
  • S0459

    SB-590885

    B-Raf inhibitor.

    ≥97%
  • D3349

    Dimebon Dihydrochloride

    AMPK activator, L-type Ca2+ channel and NMDA, h...

    ≥98%
  • W5769

    Wortmannin

    Steroid produced by Penicillum; PI3K, mTOR, DNA...

    ≥97%
  • L9701

    LY-450139

    GHS-R1a agonist, γ-secretase inhibitor.

    ≥98%
  • P5885

    Povidone Iodine

    Polyvinyl pyrrolidone polymer, disinfectant.

    ≥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

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