• 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
Lapatinib Ditosylate Monohydrate

Lapatinib Ditosylate Monohydrate

Product ID L0360
Cas No. 388082-78-8
Purity ≥99%
Product Unit SizeCostQuantityStock
5 mg $47.30 In stock
10 mg $68.30 In stock
25 mg $89.30 In stock
100 mg $210.00 In stock
Bulk Quote

Quicklinks

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

Description

Lapatinib is an inhibitor of EGFR/HER2 (ErbB2) that is currently in clinical trials as a co-administered treatment with other chemotherapeutics. Lapatinib exhibits anticancer chemotherapeutic benefit, inducing apoptosis in breast cancer cells. This compound also downregulates expression of thymidylate synthase in vitro.

Product Info

Cas No.

388082-78-8

Purity

≥99%

Formula

C26H26ClFN4O4S • 2C7H8O3S • H2O

Formula Wt.

925.46

IUPAC Name

N-[3-chloro-4-[(3-fluorophenyl)methoxy]phenyl]-6-[5-[(2- methylsulfonylethylamino)methyl]furan-2-yl]quinazolin-4-amine;4- methylbenzenesulfonic acid

Melting Point

236-259°C

Solubility

Slightly in DMSO

Appearance

Pale yellow to yellow powder

Shipping and Storage

Store Temp

4°C

Ship Temp

Ambient

Downloads

MSDS

L0360 MSDS PDF

Info Sheet

L0360 Info Sheet PDF

References

Janni W, Sarosiek T, Karaszewska B, et al. A phase II, randomized, multicenter study evaluating the combination of lapatinib and vinorelbine in women with ErbB2 overexpressing metastatic breast cancer. Breast Cancer Res Treat. 2014 Jan 9. [Epub ahead of print]. PMID: 24402830.

Kostyal D, Welt RS, Danko J, et al. Trastuzumab and lapatinib modulation of HER2 tyrosine/threonine phosphorylation and cell signaling. Med Oncol. 2012 Sep;29(3):1486-94. PMID: 21769502.

Kim HP, Yoon YK, Kim JW, et al. Lapatinib, a dual EGFR and HER2 tyrosine kinase inhibitor, downregulates thymidylate synthase by inhibiting the nuclear translocation of EGFR and HER2. PLoS One. 2009 Jun 16;4(6):e5933. PMID: 19529774.

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

  • A9914

    AZD-8055

    mTOR inhibitor.

    ≥98%
  • S8243

    Sulbactam Sodium

    β-lactamase inhibitor.

    ≥98%
  • B1753

    Benfotiamine

    Thiamine/vitamin B derivative, antioxidant.

    ≥98%
  • P1200

    PD-184352

    MEK1/2 and Raf inhibitor.

    ≥98%
  • S8344

    R,S-(±)-Sulpiride

    GHB agonist, D2/3 antagonist.

    ≥98%
  • M1564

    S-Methyl-L-cysteine

    Antioxidant found in Brassicaceae family plants...

    ≥99%
  • A4802

    Amantadine Hydrochloride

    Viral M2 proton channel blocker, MAO-A, NET, NM...

    ≥98%
  • A0958

    Aconitine

    Toxin found in Aconitum; voltage-gated Na+ channel...
    ≥95%
  • T1852

    Tenovin-1

    SIRT1/2 inhibitor, indirect p53 activator.

    ≥98%
  • P2000

    PF-03758309 Dihydrochloride

    PAK4 inhibitor.

    ≥99%, ≥99%ee
  • C5972

    Corynoline

    Alkaloid compound originally found in Corydalis...

    ≥98%
  • T9946

    Tylosin Phosphate

    Macrolide; peptidyl transferase inhibitor, prot...

    ≥90%
  • B5871

    Bortezomib

    Proteasome inhibitor.

    ≥98%
  • SC7056

    Snake venom – Crotalus durissus terrificus

    Snake venom found in Crotalus durrisus terrific...

    ≥98%
  • N3225

    Nigericin Sodium

    Polyether cationic ionophore.

    ≥98%
  • T0092

    1-Hydroxybaccatin I

    Diterpene found in Taxus; potential microtubule...

    ≥96%
  • A0961

    Adrenocorticotropic Hormone (1-39), rat

    Endogenous peptide hormone, involved in stress ...

    ≥95%
  • C179602

    CEP-28122

    ALK inhibitor.

    ≥98%
  • S0224

    SAG

    Smoothened agonist.

    ≥98%
  • D004098

    Dacomitinib Anhydrous

    EGFR inhibitor.

    ≥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