ML 133 hydrochloride

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Cat.No. 4549 - ML 133 hydrochloride | C19H19NO.HCl | CAS No. 1222781-70-5
Description: Kir2 channel blocker
Chemical Name: N-[(4-Methoxyphenyl)methyl]-1-naphthalenemethanamine hydrochloride
Purity: ≥99% (HPLC)
Citations (1)

Biological Activity

Selective blocker of inwardly rectifying Kir2 potassium channels (IC50 values are 1.8, 2.8, 2.9 and 4.0 μM at pH 7.4 for mKir2.1, hKir2.6, hKir2.2 and hKir2.3 respectively). Exhibits no effect on rKir1.1 (IC50 > 300 μM); displays weak activity at hKir7.1 and rKir4.1 (IC50 values are 33 and 76 μM).

Technical Data

M. Wt 313.82
Formula C19H19NO.HCl
Storage Store at +4°C
Purity ≥99% (HPLC)
CAS Number 1222781-70-5
PubChem ID 44247466
Smiles COC(C=C3)=CC=C3CNCC1=C(C=CC=C2)C2=CC=C1.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 31.38 100
ethanol 6.28 20

Preparing Stock Solutions

The following data is based on the product molecular weight 313.82. 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.

Select a batch to recalculate based on the batch molecular weight:
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 3.19 mL 15.93 mL 31.87 mL
5 mM 0.64 mL 3.19 mL 6.37 mL
10 mM 0.32 mL 1.59 mL 3.19 mL
50 mM 0.06 mL 0.32 mL 0.64 mL

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Product Datasheets

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References are publications that support the products' biological activity.

Wang et al (2011) Selective inhibition of the Kir2 family of inward rectifier potassium channels by a small molecule probe: the discovery, SAR, and pharmacological characterization of ML133. ACS Chem.Biol. 6 845 PMID: 21615117

Wu et al (2010) A potent and selective small molecule Kir2.1 inhibitor. Probe Reports from the NIH Molecular Libraries Pro PMID: 21433384

If you know of a relevant reference for ML 133 hydrochloride, please let us know.

View Related Products by Product Action

View all Inward Rectifier Potassium (Kir) Channel Blockers

Keywords: ML133 hydrochloride Kir2 Kir2.x Kir2.1 Kir2.6 Kir2.2 Kir2.3 inhibitors inhibits inward rectifier potassium channels IRK1 KCNJ2 IRK2 hIRK IRK3 hIRK2 Inward rectifier Potassium Channels

1 Citation for ML 133 hydrochloride

Citations are publications that use Tocris products. Selected citations for ML 133 hydrochloride include:

Lam and Schlichter (2015) Expression and contributions of the Kir2.1 inward-rectifier K(+) channel to proliferation, migration and chemotaxis of microglia in unstimulated and anti-inflammatory states. Nat Commun 9 185 PMID: 26029054

Do you know of a great paper that uses ML 133 hydrochloride from Tocris? If so please let us know.

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