A prodrug form of VRT-043198
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VX-765

Item No. 28825

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
N-(4-amino-3-chlorobenzoyl)-3-methyl-L-valyl-N-[(2R,3S)-2-ethoxytetrahydro-5-oxo-3-furanyl]-L-prolinamide
CAS Number
273404-37-8
Synonyms
  • Belnacasan
Molecular Formula
C24H33ClN4O6
Formula Weight
509.0
Purity
≥98%
Formulation (Request formulation change)
A crystalline solid
Solubility(Learn about Variance in Solubility)
DMF: 30 mg/mlDMSO: 30 mg/mlEthanol: 30 mg/mlEthanol:PBS (pH 7.2) (1:9): 0.1 mg/ml
λmax
281 nm
SMILES
NC1=C(Cl)C=C(C(N[C@@H](C(C)(C)C)C(N2CCC[C@H]2C(N[C@@H]3[C@H](OCC)OC(C3)=O)=O)=O)=O)C=C1
InChi Code
InChI=1S/C24H33ClN4O6/c1-5-34-23-16(12-18(30)35-23)27-21(32)17-7-6-10-29(17)22(33)19(24(2,3)4)28-20(31)13-8-9-15(26)14(25)11-13/h8-9,11,16-17,19,23H,5-7,10,12,26H2,1-4H3,(H,27,32)(H,28,31)/t16-,17-,19+,23+/m0/s1
InChi Key
SJDDOCKBXFJEJB-MOKWFATOSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    5 mg

    $69

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    10 mg

    $115

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    25 mg

    $263

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    50 mg

    $493

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    Product Description

    VX-765 is a prodrug form of the caspase-1 inhibitor VRT-043198.1 VX-765 (50, 100, and 200 mg/kg) inhibits LPS-induced increases in serum IL-1β levels in mice. It also reduces oxazolone-induced ear edema and levels of IL-1β, IL-18, and IFN-γ in ear tissue in an oxazolone-sensitized mouse model of delayed-type hypersensitivity. VX-765 reduces forepaw inflammation in a mouse model of collagen-induced arthritis in a dose-dependent manner. VX-765 (≥50 mg/kg) decreases seizure duration and the number of seizures in a mouse model of acute seizures induced by hippocampal kainic acid injection, as well as delays the onset of seizures when administered at doses of 100 and 200 mg/kg.2 It also reduces the aggregated duration of epileptic activity in a mouse model of chronic epilepsy.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Wannamaker, W., Davies, R., Namchuk, M., et al. (S)-1-((S)-2-{[1-(4-amino-3-chloro-phenyl)-methanoyl]-amino}-3,3-dimethyl-butanoyl)-pyrrolidine-2-carboxylic acid ((2R,3S)-2-ethoxy-5-oxo-tetrahydro-furan-3-yl)-amide (VX-765), an orally available selective interleukin (IL)-converting enzyme/caspase-1 inhibitor, exhibits potent anti-inflammatory activities by inhibiting the release of IL-1β and IL-18. J. Pharmacol. Exp. Ther. 321(2), 509-516 (2007).

    2. Maroso, M., Balosso, S., Rivizza, T., et al. Interleukin-1β biosynthesis inhibition reduces acute seizures and drug resistant chronic epileptic activity in mice. Neurotherapeutics 8(2), 304-315 (2011).