KRIBB11

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Cat.No. 5480 - KRIBB11 | C13H12N6O2 | CAS No. 342639-96-7
Description: HSF1 inhibitor
Chemical Name: N2-1H-Indazol-5-yl-N6-methyl-3-nitro-2,6-pyridinediamine
Purity: ≥99% (HPLC)
Datasheet
Citations
Literature

Biological Activity

Heat shock factor (HSF) inhibitor (IC50 = 1.2 μM). Increases apoptosis in cancer cells treated with the HSP90 inhibitors Geldanamycin (Cat. No. 1368) and 17-AAG (Cat. No. 1515). Blocks downstream induction of HSP27 and HSP70. Inhibits tumor growth in vivo.

Technical Data

M. Wt 284.27
Formula C13H12N6O2
Storage Store at -20°C
Purity ≥99% (HPLC)
CAS Number 342639-96-7
PubChem ID 69894253
InChI Key NDJJEQIMIJJCLL-UHFFFAOYSA-N
Smiles CNC1=NC(NC2=CC=C(NN=C3)C3=C2)=C([N+]([O-])=O)C=C1

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
Solubility
DMSO 28.43 100

Preparing Stock Solutions

The following data is based on the product molecular weight 284.27. 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 3.52 mL 17.59 mL 35.18 mL
5 mM 0.7 mL 3.52 mL 7.04 mL
10 mM 0.35 mL 1.76 mL 3.52 mL
50 mM 0.07 mL 0.35 mL 0.7 mL

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Product Datasheets

Safety Datasheet

References

References are publications that support the products' biological activity.

Yoon et al (2011) KRIBB11 inhibits HSP70 synthesis through inhibition of heat shock factor 1 function by impairing the recruitment of positive transcription elongation factor b to the hsp70 promoter. J.Biol.Chem. 286 1737 PMID: 21078672

Samarasinghe et al (2014) Heat shock factor 1 confers resistance to Hsp90 inhibitors through p62/SQSTM1 expression and promotion of autophagic flux. Biochem. Pharmacol. 87 445 PMID: 24291777


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Keywords: KRIBB11, supplier, HSF1, inhibitors, inhibits, heat, shock, factors, 1, HSP90, HSP70, HSP27, proteins, Hsp90, Hsp70, Other, Transcription, Factors, Hsp90, Tocris Bioscience

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