Antibiotic. Antitumor compound. Topoisomerase II inhibitor. Induces single-strand scission in DNA in the presence of reducing agents.Source:Streptomyces chartreusisFormula:C32H32O14Solubility:acetone; insoluble in H2O.Molecular Weight:~640.6Storage and Stability:May be stored at 4°C. For long-term storage, aliquot and store at 4°C. Do not freeze. Aliquots are stable for 6 months after receipt. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Further dilutions can be made in assay buffer.