Halichondrin B

Modify Date: 2025-08-25 11:10:29

Halichondrin B Structure
Halichondrin B structure
Common Name Halichondrin B
CAS Number 103614-76-2 Molecular Weight 1111.31000
Density N/A Boiling Point N/A
Molecular Formula C60H86O19 Melting Point N/A
MSDS N/A Flash Point N/A

 Use of Halichondrin B


Halichondrin B is found from the sponge Halichondria okadai. Halichondrin B is a noncompetitive inhibitor of Vinca-alkaloid binding to tubulin (IC50 for tubulin polymerization of 1.2-1.4 μM). Halichondrin B shows anti-tumor activity[1].

 Names

Name Halichondrin B
Synonym More Synonyms

 Halichondrin B Biological Activity

Description Halichondrin B is found from the sponge Halichondria okadai. Halichondrin B is a noncompetitive inhibitor of Vinca-alkaloid binding to tubulin (IC50 for tubulin polymerization of 1.2-1.4 μM). Halichondrin B shows anti-tumor activity[1].
Related Catalog
In Vitro Halichondrin B (0.1-10 nM, 16 h) treatment inhibits the growth of L1210 cells[1]. Cell Cytotoxicity Assay[1] Cell Line: L1210 cells Concentration: 0.1-10 nM Incubation Time: 16 hours Result: Inhibited L1210 cell with IC50 value of 0.3 nM.
References

[1]. Halichondrin B and homohalichondrin B, marine natural products binding in the vinca domain of tubulin. Discovery of tubulin-based mechanism of action by analysis of differential cytotoxicity data. J Biol Chem. 1991 Aug 25;266(24):15882-9.

 Chemical & Physical Properties

Molecular Formula C60H86O19
Molecular Weight 1111.31000
Exact Mass 1110.58000
PSA 216.21000
LogP 4.92540

 Synonyms

halichondrin B
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