≥90% (HPLC)

Empirical Formula (Hill Notation):
CAS Number:
Molecular Weight:
MDL number:
PubChem Substance ID:

Quality Level


≥90% (HPLC)




cell analysis: suitable (proteosome inhibitor)




DMSO: soluble

storage temp.


SMILES string




InChI key


Gene Information

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Amino Acid Sequence



Z-Leu-Leu-Leu-al or MG132 has been used as a proteasome inhibitor. It has also been used to test the ubiquitylation and sumoylation pathways in urchin embryos.


5 mg in glass bottle


11 - Combustible Solids

WGK Germany


Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificate of Analysis

Certificate of Origin

  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How should Product C2211, Z-Leu-Leu-Leu-al, be dissolved?

    MG132 is soluble in DMSO or at 10 mg/mL in a chloroform:methanol solution (95:5). We test the solubility at 1 mg/mL in methanol.

  4. What is the solution stability of MG132, Product C2211, Z-Leu-Leu-Leu-al?

    This product can be stored in aliquots at -20°C for up to one month.

  5. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  6. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  7. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

  8. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Differential Nanos 2 protein stability results in selective germ cell accumulation in the sea urchin
Nathalie Oulhen
Developmental Biology (2016)
Vaino K. Hopsu-Havu, Mikko Jarvinen, Heidrun Kirschke
Proteolysis in Cell Functions (1997)
MG132, a proteasome inhibitor, induced death of calf pulmonary artery endothelial cells via caspase-dependent apoptosis and GSH depletion.
Anticancer Research (2010)
An Inducible Retroviral Expression System for Tandem Affinity Purification Mass-Spectrometry-Based Proteomics Identifies Mixed Lineage Kinase Domain-like Protein (MLKL) as an Heat Shock Protein 90 (HSP90) Client*
Johannes W. Bigenzahn
Molecular and Cellular Proteomics (2016)
Rho-associated protein kinase 1 (ROCK1) is increased in Alzheimer's disease and ROCK1 depletion reduces amyloid-? levels in brain
Benjamin W
Journal of Neurochemistry (2016)

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