Certificate of Analysis

 

Product Name: Topotecan
Catalog Number: M19284
CAS Number: 123948-87-8

Physical and Chemical Properties
Formula: C23H23N3O5
Molecular Weight: 421.45
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: Topotecan Structure
Analytical Data
QC Standard: >98%
H-NMR: Consistent with structure
Product Information
Description: Topotecan (SKF 104864A; NSC 609669) is an orally active and potent Topoisomerase I inhibitor. Topotecan induces cell cycle arrest in G0/G1 and S phases and promotes apoptosis. Topotecan shows anticancer activity.
   
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 and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details.