Catalog Number: 1956
Alternate Names: Ubenimex
Chemical Name: N-[(2S,3R)-3-Amino-2-hydroxy-1-oxo-4-phenylbutyl]-L-leucine
Biological Activity
Aminopeptidase inhibitor (Ki = 0.001 - 90 mM); inhibits enkephalin metabolism and leukotriene A4 hydrolase. Inhibits tumor cell proliferation.
Technical Data
  • M.Wt:
  • Formula:
  • Solubility:
    Soluble to 50 mM in 1eq. NaOH
  • Purity:
  • Storage:
    Desiccate at +4°C
  • CAS No:
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis. All Tocris products are intended for laboratory research use only.
Background References
  1. Effect of ubenimex (Bestatin) on the cell growth and phenotype of HL-60 and HL-60R cell lines: up- and down-regulation of CD13/aminopeptidase N.
    Imamura and Kimura
    Leuk.Lymphoma, 2000;37:663
  2. Bestatin as an experimental tool in mammals.
    Scornik and Botbol
    Curr.Drug Metab., 2001;2:67
  3. Bestatin, an inhibitor of aminopeptidase B, produced by actinomycetes.
    Umezawa et al.
    J.Antibiot., 1976;29:97
Tocris Bioscience is the leading supplier of novel and exclusive tools for life science research with over 30 years' experience in the industry. Tocris is a Bio-Techne brand.

Order Details


Contact Information

Molarity Calculator
Calculate the mass, volume or concentration required for a solution

The molarity calculator is based on the following equation:

Mass (g) = Concentration (mol/L) x Volume (L) x Molecular Weight (g/mol)
An example of a molarity calculation using the molarity calculator:
What is the mass of compound required to make a 10 mM stock solution in 10 ml of water given that the molecular weight of the compound is 197.13 g/mol?

R&D Systems Guarantee

or select another batch:


Customer Information