Ns3694, Calbiochem®

Supplier: MilliporeSigma

178494-10MG 178494-10MG
80603-046EA 195.1 USD
CA80603-046 80603-046
Ns3694, Calbiochem®
Ns3694

The Apoptosis Inhibitor II, NS3694, controls the biological activity of Apoptosis


  • CAS number: 426834-38-0
  • Form: White solid
  • Hill Formula: C₁₅H₁₀ClF₃N₂O₃
  • Chemical formula: C₁₅H₁₀ClF₃N₂O₃
  • Primary Target: Apoptosome complex formation
  • Primary Target IC50: 50 µM completely blocks TNF-α-induced death in MCF-casp3 cells
  • Purity: ≥95% by HPLC
  • Storage: +2°C to +8°C


A cell-permeable diarylurea compound that specifically prevents the active ~700-kDa apoptosome complex formation triggered by cytochrome c release, thus blocking apoptosome-mediated caspase activation and cell death (50 µM completely blocks TNF-α-induced death in MCF-casp3 cells). Exhibits no effect on apoptosome-independent caspase activation and cell death induced by FasL. Inhibits neither cytochrome c release nor the enzymatic activity of caspases.


This small molecule/inhibitor is primarily used for Cancer applications.

MW: 358.70 g/mol
MDL Number: MFCD00249000
CAS Number: 426834-38-0

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