OB 24 hydrochloride

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Cat.No. 6119 - OB 24 hydrochloride | C15H17BrN2O2.HCl | CAS No. 939825-12-4
Description: Potent and selective heme oxygenase 1 (HO-1) inhibitor
Chemical Name: 1-[[2-[2-(4-Bromophenyl)ethyl]-1,3-dioxolan-2-yl]methyl]-1H-imidazole hydrochloride
Purity: ≥98% (HPLC)

Biological Activity

Potent and selective heme oxygenase 1 (HO-1) inhibitor (IC50 values are 1.9 and >100 μM for HO-1 and HO-2 respectively), reduces protein carbonylation and reactive oxygen species formation in advanced prostate cancer cells (PCA). Inhibits cell proliferation in vitro and PCA tumor growth and lymph node/lung metastases in vivo. Synergizes with Taxol (Cat. No. 1097).

Technical Data

M. Wt 373.67
Formula C15H17BrN2O2.HCl
Storage Desiccate at RT
Purity ≥98% (HPLC)
CAS Number 939825-12-4
PubChem ID 45265865
Smiles BrC1=CC=C(C=C1)CCC2(OCCO2)CN3C=CN=C3.Cl

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 37.37 100
water 37.37 100

Preparing Stock Solutions

The following data is based on the product molecular weight 373.67. 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 2.68 mL 13.38 mL 26.76 mL
5 mM 0.54 mL 2.68 mL 5.35 mL
10 mM 0.27 mL 1.34 mL 2.68 mL
50 mM 0.05 mL 0.27 mL 0.54 mL

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Product Datasheets

Safety Datasheet


References are publications that support the products' biological activity.

Alaoui-Jamali et al (2009) A novel experimental heme oxygenase-1-targeted therapy for hormone-refractory prostate cancer. Cancer Res. 69 8017 PMID: 19808972

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