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VX-765 (Belnacasan)

Catalog No.: A10984

Caspase-1/4 inhibitor

VX-765 (Belnacasan)

VX-765 (Belnacasan) Chemical Structure

CAS NO. 273404-37-8

VX-765 is a novel Caspase-1 inhibitor,which is an enzyme that controls the generation of two cytokines, IL-1b and IL-18.

Availability: In stock

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5 mg
10 mg
50 mg
100 mg
10mM * 1mL in DMSO
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Warning Products are for laboratory research use only. Not for human use. We do not sell to patients.
  • Arjun Thapa, .et al. Danger-associated molecular pattern molecules take unexpectedly a central stage in Nlrp3 inflammasome-caspase-1-mediated trafficking of hematopoietic stem/progenitor cells, Leukemia, 2021, 23 February
  • Prenitha Mercy Ignatius Arokia Doss, .et al. Male sex chromosomal complement exacerbates the pathogenicity of Th17 cells in a chronic model of central nervous system autoimmunity, Cell Rep, 2021, Mar 9;34(10):108833 PMID: 33691111
  • Joseph Flores, .et al. Pre-symptomatic Caspase-1 inhibitor delays cognitive decline in a mouse model of Alzheimer disease and aging, Nat Commun, 2020, Sep 11;11(1):4571 PMID: 32917871
  • Joseph Flores, .et al. Caspase-1 inhibition alleviates cognitive impairment and neuropathology in an Alzheimer's disease mouse model, Nat Commun, 2018, 9: 3916 PMID: 30254377
  • Mohamed F. Ali, .et al. Canonical Stimulation of the NLRP3 Inflammasome by Fungal Antigens Links Innate and Adaptive B-Lymphocyte Responses by Modulating IL-1β and IgM Production, Front Immunol, 2017, 8: 1504 PMID: 29170665
  • García-Fernández A, .et al. Targeting inflammasome by the inhibition of caspase-1 activity using capped mesoporous silica nanoparticles, J Control Release, 2017, Feb 28;248:60-70 PMID: 28069553
  • Jiujiu Yu, .et al. Inflammasome activation leads to Caspase-1-dependent mitochondrial damage and block of mitophagy, Proc Natl Acad Sci U S A, 2014, 111(43): 15514-15519 PMID: 25313054

Biological Activity

VX-765 is a novel Caspase-1 inhibitor,which is an enzyme that controls the generation of two cytokines, IL-1b and IL-18.
Caspase-4 (Cell-free assay) Caspase-1 (Cell-free assay)
<0.6 nM(Ki)0.8 nM(Ki)
In vitro (25°C) DMSO Warmed: 87 mg/mL (170.92 mM)
Water Insoluble
Ethanol Warmed: 87 mg/mL (170.92 mM)
In vivo 2% DMSO+30% PEG 300+ddH2O 4 mg/mL
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Adooq tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
0.1 mM 19.65 mL 98.23 mL 196.46 mL
0.5 mM 3.93 mL 19.65 mL 39.29 mL
1 mM 1.96 mL 9.82 mL 19.65 mL
5 mM 0.39 mL 1.96 mL 3.93 mL

*The above data is based on the productmolecular weight 509.0 . Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.

Catalog Num A10984
Actions Inhibitor
CAS No. 273404-37-8
Formula C24H33ClN4O6
M. Wt 509.0
Purity >98%
Synonyms VX765
SMILES CCO[C@H]1[C@H](CC(=O)O1)NC(=O)[C@@H]2CCCN2C(=O)[C@H](C(C)(C)C)NC(=O)C3=CC(=C(C=C3)N)Cl

Store lyophilized at -20ºC, keep desiccated.
In lyophilized form, the chemical is stable for 36 months.
In solution, store at -20ºC and use within 3 months to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.

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