Conglobatin B is a bacterial metabolite that has been found inStreptomycesMST-91080 and has anticancer activity.1It is cytotoxic to NS-1 mouse myeloma cells (IC50= 0.084 μg/ml) but not NFF human fibroblasts (IC50= >100 μg/ml).

Conglobatin B

(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years