Skip to Content
Merck
All Photos(1)

Key Documents

M8699

Sigma-Aldrich

(R)-MG132

Synonym(s):

Z-L-Leu-D-Leu-L-Leu-al

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C26H41N3O5
CAS Number:
Molecular Weight:
475.62
UNSPSC Code:
12352200
NACRES:
NA.32

Assay

≥98%

Quality Level

solubility

DMSO or DMF: 25 mg/mL

storage temp.

−20°C

SMILES string

CC(C)C[C@@H](C(N[C@H](C(N[C@H](C=O)CC(C)C)=O)CC(C)C)=O)NC(OCC1=CC=CC=C1)=O

Application

(R)-MG132 has been used in ubiquitination assay and is used as a proteasome inhibitor.

Biochem/physiol Actions

MG132 (carbobenzoxy-Leu-Leu-leucinal) is a tri-peptide aldehyde. It possesses antitumor activity and boosts cytostatic/cytotoxic effects of chemo- and radiotherapy. (R)-MG132 is a potent, membrane-permeable proteasome inhibitor. It can inhibit proteasome activity in lysates of J558L multiple myeloma cells and EMT6 breast cancer cells. The (R)-MG132 stereoisomer is a more effective inhibitor of chymotrypsin-like (ChTL), trypsin-like (TL), and peptidylglutamyl peptide hydrolyzing proteasome (PGPH) activities than the (S)-MG132.

Physical form

crystalline solid or supercooled liquid

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

A Mad2-Mediated Translational Regulatory Mechanism Promoting S-Phase Cyclin Synthesis Controls Origin Firing and Survival to Replication Stress.
Gay S, et al.
Molecular Cell, 70(4), 628-638 (2018)
Alternative promotion and suppression of metastasis by JNK2 governed by its phosphorylation.
Hu S, et al.
Oncotarget, 8(34), 56569-56569 (2017)
Studies of the synthesis of all stereoisomers of MG-132 proteasome inhibitors in the tumor targeting approach.
Mroczkiewicz M, et al.
Journal of Medicinal Chemistry, 53(4), 1509-1518 (2010)
Yanling Tao et al.
Oncology letters, 14(6), 6365-6372 (2017-11-23)
Osteosarcoma (OS) is among the most frequently occurring bone tumors, particularly in children. Clinical treatment of OS is limited due to several factors including resistance to chemotherapy drugs and metastasis, and the underlying molecular mechanisms remain unclear. In the present
Fang Guo et al.
Molecular neurobiology, 54(10), 7597-7609 (2016-11-11)
Autophagy and the ubiquitin proteasome system (UPS), as two major protein degradation pathways, coordinate with each other in regulating programmed cell death. Autophagy can compensate for the UPS impairment-induced cell dysfunction and apoptosis. However, it is not clear how cells

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service