Certificate of Analysis

 

Catalog Number: M1802
Product Name: Lapatinib Ditosylate
CAS Number: 388082-78-8

Physical and Chemical Properties
Formula: C29H26ClFN4O4S.2C7H8O3S
Molecular Weight: 925.46
Solubility: DMSO 100 mg/mL
Long-term Storage: at -20℃
Chemical Structure: Lapatinib Ditosylate Structure
Analytical Data
HPLC: Shows Min >99% purity
H-NMR: Consistent with structure
Product Information
Description: Lapatinib Ditosylate (CAS 388082-78-8) is a selective and effective inhibitor of EGFR kinase (Ki = 3 nM), ErbB-2 kinase (Ki = 13 nM) and ErbB-4 kinase (Ki = 347 nM).
   
Stability and Solubility Advice: Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide.
We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials at -20°C or below and used within 1 month.