Pricing Availability Delivery Time Qty
Cat.No. 5382 - C16 | C13H8N4OS | CAS No. 608512-97-6
Description: PKR inhibitor
Chemical Name: 6,8-Dihydro-8-(1H-imidazol-5-ylmethylene)-7H-pyrrolo[2,3-g]benzothiazol-7-one
Purity: ≥98% (HPLC)

Biological Activity

PKR inhibitor (IC50 = 210 nM). Rescues PKR-dependent translation block in vitro. Decreases Aβ42-induced inflammatory cytokine release and apoptosis in neuronal cultures. Prevents neuroinflammation and neuronal loss in an acute excitotoxic rat model. Brain penetrant.

Technical Data

M. Wt 268.29
Formula C13H8N4OS
Storage Store at -20°C
Purity ≥98% (HPLC)
CAS Number 608512-97-6
PubChem ID 6490494
Smiles O=C2NC1=CC=C4C(SC=N4)=C1/C2=C/C3=CNC=N3

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

All Tocris products are intended for laboratory research use only.

Solubility Data

Solvent Max Conc. mg/mL Max Conc. mM
DMSO 13.41 50
ethanol 5.37 20

Preparing Stock Solutions

The following data is based on the product molecular weight 268.29. 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.

Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 3.73 mL 18.64 mL 37.27 mL
5 mM 0.75 mL 3.73 mL 7.45 mL
10 mM 0.37 mL 1.86 mL 3.73 mL
50 mM 0.07 mL 0.37 mL 0.75 mL

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Product Datasheets

Safety Datasheet


References are publications that support the products' biological activity.

Jammi et al (2003) Small molecule inhibitors of the RNA-dependent protein kinase. Biochem.Biophys.Res.Comm. 308 50 PMID: 12890478

Ingrand et al (2007) The oxindole/imidazole derivative C16 reduces in vivo brain PKR activation. FEBS Lett. 581 4473 PMID: 17761171

Couturier et al (2011) Prevention of the β-amyloid peptide-induced inflammatory process by inhibition of double-stranded RNA-dependent protein kinase in primary murine mixed co-cultures. J.Neuroinflammation 8 PMID: 21699726

Tronel et al (2014) The specific PKR inhibitor C16 prevents apoptosis and IL-1 beta production in an acute excitotoxic rat model with a neuroinflammatory component. Neurochem.Int. 64 73 PMID: 24211709

If you know of a relevant reference for C16, please let us know.

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Keywords: C16, supplier, Double-stranded, RNA-dependent, proteins, kinases, PKR, inhibitors, inhibits, neuroprotective, neuroprotection, neuroinflammation, Other, Kinases, Other, Kinases, Tocris Bioscience

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