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Stock availabilitIn Stock
In Stock
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CAS number
34157-83-0
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Description
Proteasome inhibitor
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Molecular weight
450,6 g/mol
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Primary research fields
Cancer, Apoptosis, Cancer Growth Inhibitors, Proteasome Inhibitors
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Other name
3-hydroxy-9β,13α-dimethyl-2-oxo-24,25,26-trinoroleana-1(10),3,5,7-tetraen-29-oic acid, 10-Hydroxy-2,4a,6a,9,12b,14a-hexamethyl-11-oxo-1,2,3,4,4a,5,6,6a,11,12b,13,14,14a,14b-tetradecahydro-picene-2-carboxylic acid, Tripterin
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Product category
Small Molecules
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Product type
Inhibitor
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Chemical formula
C29H38O4
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Origin
Synthetic
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Purity pourcentage
>98%
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Soluble in
Soluble in 45 mg/ml DMSO, 30 mg/ml Ethanol
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Physical appearance
Red Powder
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Storage recommendations
-20ºC
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Shipping recommendations
Shipped Ambient
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Safety information
Classification: Toxic- Toxic Material Causing Immediate and Serious Toxic Effects Safety Phrases: S22 - Do not breathe dust S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection S24/25- Avoid contact with skin and eyes Hazard Statements: H301 – Toxic if swallowed Precautionary Statements: P301 + P31 – If Swallowed, immediately call a POISON CENTER or doctor.
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PubChem number
122724
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Scientific context
Displays potent antioxidant and anti-inflammatory activity. Inhibits NFB (IC50=270 nM). It induces heat shock response and cytoprotection in various cells. It inhibits 20S proteasome chymotrypsin activity (IC50=2.5 M). Cell permeable.
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Bibliography
1. Sethi G., et al. (2007) Blood109: 2727. 2. Westerheide S.D., et al. (2004) J. Biol. Chem. 279: 56053. 3. Yang H., et al. (2006) Cancer Res. 66: 4758.
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Release date
6-Jun-2012
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PubMed number
Refer to PubMed
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Tested applications
To be tested
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Tested reactivity
To be tested
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Representative figure legend
Chemical structure of Celastrol (SIH-333), a Proteasome inhibitor. CAS #: 34157-83-0. Molecular Formula: C29H38O4. Molecular Weight: 450.6 g/mol. Chemical structure of Celastrol, a Proteasome inhibitor (SIH-333). CAS # 34157-83-0. Molecular Formula: C29H38O4.
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Warning information
Non-hazardous
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Country of production
Canada
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Total weight kg
0.25
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Net weight g
0.01
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Additional description
Tissue, pathway, proteinase, peptidase, protease ,acrosin, lipoprotein, activator, caspase, trypsin, papain, esterase inhibitors are proteins or receptor ligands or receptor antagonists that bind to an enzyme receptor and decreases its activity. Since blocking an enzyme's activity can kill a pathogen or correct a metabolic imbalance, many drugs are enzyme inhibitors. Not all receptor antagonist that bind to enzymes are inhibitors; enzyme activator ligands or agonists bind to enzymes and increase their enzymatic activity, while enzyme substrates bind and are converted to products in the normal catalytic cycle of the enzyme.