Lapatinib ditosylate monohydrate

Catalog No.S5241 Batch:S524101

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Technical Data

Formula

C43H44ClFN4O11S3

Molecular Weight 943.48 CAS No. 388082-78-8
Solubility (25°C)* In vitro DMSO 100 mg/mL (105.99 mM)
Water Insoluble
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
* Room temperature shipping (Stability testing shows this product can be shipped without any cooling measures.)

Preparing Stock Solutions

Biological Activity

Description Lapatinib ditosylate monohydrate (Lapatinib ditoluenesulfonate monohydrate, Lapatinib tosilate, Lapatinib tosilate hydrate)is a dual tyrosine kinase inhibitor which interrupts the HER2/neu and epidermal growth factor receptor (EGFR) pathways, used for treatment of solid tumours such as breast and lung cancer.
Targets
ErbB2 [1]
(Cell-free assay)
EGFR [1]
(Cell-free assay)
ErbB4 [1]
(Cell-free assay)
9.2 nM 10.8 nM 367 nM

Protocol (from reference)

Selleck's Lapatinib ditosylate monohydrate has been cited by 46 publications

HDAC Inhibition Restores Response to HER2-Targeted Therapy in Breast Cancer via PHLDA1 Induction [ Int J Mol Sci, 2023, 24(7)6228] PubMed: 37047202
Irreversible tyrosine kinase inhibitors induce the endocytosis and downregulation of ErbB2 [ Biochem Biophys Rep, 2023, 34:101436] PubMed: 36824069
RTK-Dependent Inducible Degradation of Mutant PI3Kα Drives GDC-0077 (Inavolisib) Efficacy [ Cancer Discov, 2022, 12(1):204-219] PubMed: 34544753
Proteo-genomic characterization of virus-associated liver cancers reveals potential subtypes and therapeutic targets [ Nat Commun, 2022, 13(1):6481] PubMed: 36309506
Organoid screening reveals epigenetic vulnerabilities in human colorectal cancer [ Nat Chem Biol, 2022, 10.1038/s41589-022-00984-x] PubMed: 35273398
Sustained oncogenic signaling in the cytostatic state enables targeting of non-proliferating persistent cancer cells [ Cancer Res, 2022, can.21.2908] PubMed: 35792658
INHBA is a mediator of aggressive tumor behavior in HER2+ basal breast cancer [ Breast Cancer Res, 2022, 24(1):18] PubMed: 35248133
RASSF1A independence and early galectin-1 upregulation in PIK3CA-induced hepatocarcinogenesis: new therapeutic venues [ Mol Cancer Ther, 2022, 21(5):751-761] PubMed: 35417017
HER2 mediates PSMA/mGluR1-driven resistance to the DS-7423 dual PI3K/mTOR inhibitor in PTEN wild-type prostate cancer models [ Mol Cancer Ther, 2022, molcanther.0320.2021] PubMed: 35086953
Establishment and large-scale validation of a three-dimensional tumor model on an array chip for anticancer drug evaluation [ Front Pharmacol, 2022, 13:1032975] PubMed: 36313330

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SHIPPING AND STORAGE
Selleck products are transported at room temperature. If you receive the product at room temperature, please rest assured, the Selleck Quality Inspection Department has conducted experiments to verify that the normal temperature placement of one month will not affect the biological activity of powder products. After collecting, please store the product according to the requirements described in the datasheet. Most Selleck products are stable under the recommended conditions.

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