Ansamitocin p-3 (Maytansinol isobutyrate, NSC292222) is a potent tubulin polymerization inhibitor with IC50 of 3.4 μM.

66584-72-3

C32H43ClN2O9

635.15

Antibiotic C 15003P3;NSC292222;Maytansinol isobutyrate;安丝菌素 P 3;Ansamitocin p-3

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