C2211 Sigma-Aldrich


≥90% (HPLC)

Synonym: MG-132

  • CAS Number 133407-82-6

  • Empirical Formula (Hill Notation) C26H41N3O5

  • Molecular Weight 475.62

  •  MDL number MFCD00674886

  •  PubChem Substance ID 24892475

  •  NACRES NA.32



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

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 

Frequently Asked Questions

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.
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.
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.
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.
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 orview local office numbers.
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.
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