ML297 (VU0456810)

SKU:BHB21300221
Overview
Click light‑blue chips for details
ML297 (VU0456810) (CAS 1443246-62-5) is ML297 is a potent and selective activator of GIRK1/2 channels (EC50=160-233 nM)1,2. Supplied as Lyophilized Powder (purity >99% (HPLC), solubility Soluble in DMSO. It is recommended to prepare a ≤10 mM stock in fresh DMSO pr...). Commonly used in Molecular & Cellular Biology studies, including patch-clamp electrophysiology and ion channel screening.
Target GIRK1 channel, GIRK2 channel, GIRK1-containing GIRK channel
Cas No 1443246-62-5
concentration 0.1-10 µM
purity >99% (HPLC)
Molecular Formula C17H14F2N4O
Form Lyophilized Powder
Options selector
Catalog no. Size Quantity
M-215-10MG-1 10 mg
M-215-25MG-1 25 mg
M-215-5MG-1 5 mg
M-215-50MG-1 50 mg
Available Options

Select the variant that best fits your experiment. Availability and lead time may vary by option.

  • Options: Size (4) - 10 mg, 25 mg, 5 mg, 50 mg; Quantity: 1
  • Lead time: typically ships in 1-2 business days; timing may vary by selected option.
  • Storage: After reconstitution: The reconstituted solution can be stored at 4°C for up to 1 week. For longer periods (up to 6 months), small aliquots should be stored at -20°C. We do not recommend storing the product in working solutions for longer than a few days. Avoid multiple freeze-thaw cycles. Storage of solutions: Store at -20°C for several months. It is recommended to aliquot stock solutions to prevent repeated thawing and freezing.
  • Shipping: Shipped at room temperature. Product as supplied can be stored intact at room temperature for several weeks. For longer periods, it should be stored at -20°C.
  • Upon receipt: store at the recommended temperature as soon as possible.
  • Sales terms and conditions: Please review prior to ordering.
Field Specification
Mfr No M-215
Activity
  • Activator
Cas No. 1443246-62-5
Concentration 0.1-10 µM
Form Lyophilized Powder
Product Type
  • Biochemicals
  • Small Molecules
Purity >99% (HPLC)
Reconstitution Soluble in DMSO. It is recommended to prepare a ≤10 mM stock in fresh DMSO prior to dilution in an aqueous solution. Centrifuge all products before handling (10000 x g 5 min).
Shipping Shipped at room temperature. Product as supplied can be stored intact at room temperature for several weeks. For longer periods, it should be stored at -20°C.
Solubility Soluble in DMSO. It is recommended to prepare a ≤10 mM stock in fresh DMSO prior to dilution in an aqueous solution. Centrifuge all products before handling (10000 x g 5 min).
Source Synthetic
Storage After reconstitution: The reconstituted solution can be stored at 4°C for up to 1 week. For longer periods (up to 6 months), small aliquots should be stored at -20°C. We do not recommend storing the product in working solutions for longer than a few days. Avoid multiple freeze-thaw cycles. Storage of solutions: Store at -20°C for several months. It is recommended to aliquot stock solutions to prevent repeated thawing and freezing.
Target GIRK1 channel, GIRK2 channel, GIRK1-containing GIRK channel

Product details

  • Chemical name: 1-(3,4-difluorophenyl)-3-(5-methyl-2-phenylpyrazol-3-yl)urea
  • Also known as: ML-297, 1-(3,4-difluorophenyl)-3-(3-methyl-1-phenyl-1H-pyrazol-5-yl) urea
  • CAS number: 1443246-62-5
  • Molecular formula: C17H14F2N4O
  • Purity: >99% (HPLC)
  • Concentration: 0.1-10 µM
  • Form: Lyophilized Powder
  • Solubility: Soluble in DMSO. It is recommended to prepare a ≤10 mM stock in fresh DMSO prior to dilution in an aqueous solution. Centrifuge all products before handling (10000 x g 5 min).
  • Reconstitution: Soluble in DMSO. It is recommended to prepare a ≤10 mM stock in fresh DMSO prior to dilution in an aqueous solution. Centrifuge all products before handling (10000 x g 5 min).
  • Shipping: Shipped at room temperature. Product as supplied can be stored intact at room temperature for several weeks. For longer periods, it should be stored at -20°C.
  • Target: GIRK1/2, GIRK1-containing GIRK channels
  • Source: Synthetic
  • Activity: ML297 is a potent and selective activator of GIRK1/2 channels (EC50=160-233 nM)1,2. ML-297 is selective for GIRK1/2 over GIRK1/3 and GIRK1/4 heteromers (with EC50 of 914 nM and 887 nM, respectively), and inactive on non-GIRK1-containing channels1-2. Active in vivo3.
  • Alternative names: ML-297, 1-(3,4-difluorophenyl)-3-(3-methyl-1-phenyl-1H-pyrazol-5-yl) urea

Scientific background

ML297 is a potent activator of GIRK channels; it shows a preference for the GIRK1/GIRK2 subunit combination compared to GIRK1/GIRK4 and is inactive on GIRK2/GIRK3 and a number of other potassium channels. ML297 is a useful tool to selectively probe GIRK1/2 channels function in vitro and in vivo. These properties make ML-297 the first and only molecule of its type to selectively probe GIRK1-containing GIRKs and hence it enables the studying of the role of GIRK1-containing GIRKs in numerous normal and pathophysiological conditions1.G protein-gated inwardly rectifying potassium (GIRK) channels hyperpolarize neurons in response to the activation of many G-protein coupled receptors. They are members of the large super-family of inwardly rectifying K+ channels (Kir), in which the inward current is significantly greater than the outward current. Their specific biochemical properties generate a slow inhibitory postsynaptic current that provides a sustained form of inhibition of neuronal activity2.GIRK channel activity has an important role in physiological responses, including pain perception and memory modulation. Moreover, abnormal GIRK function is implicated in altering neuronal excitability and cell death that may be important in the pathophysiology of human diseases such as epilepsy, Down's syndrome, Parkinson's disease and drug addiction. GIRK channels may therefore prove to be valuable new therapeutic targets for treating these health problems2.GIRK1-GIRK2 heterotetramers are believed to be the predominant form of GIRK channels expressed in brain3.

Lead time: 1-2 Business Days

Country of origin: Israel/IL

Applications key

Application key: FC- Flow cytometry, IFC- Indirect flow cytometry, IHC- Immunohistochemistry,LCI- Live cell imaging, Calcium imaging assay,Cell survival assay, Electrophysiology, Neurite outgrowth assay.

Bioassay tested: Yes

Cited application(s)

Electrophysiology

Need this compound in a format that drops straight into your assay? We can tailor formulation, chemistry, and documentation so your results stay consistent across runs and re-orders.

  • Format options: solid or pre-dissolved solution (choose solvent), target concentration, aliquots, light/moisture-protected packaging
  • Chemistry options: free base/acid vs salt forms, hydrate/solvate preference, stereoisomer control (single enantiomer or racemate), close analogs
  • Add-on labels & handles: D/¹³C/¹⁵N isotopes (LC-MS/internal standards), azide/alkyne or other functional handles for conjugation
  • QC & documentation: standard COA or enhanced analytical pack (HPLC/LC-MS/NMR), chiral purity, residual solvents, water content (KF), method-specific specs
  • Scale & continuity: mg to gram scale, bulk pricing, lot reservation, repeat-order continuity

To quote quickly, tell us: compound name + CAS/structure (SMILES or mol file), intended assay context, solvent preference, salt/stereochemistry requirements, purity/QC level, and the amount (mg–g).

Can’t find the compound you’re looking for?
Send the CAS or structure and your specs. We can help source it, suggest close equivalents, or discuss custom synthesis with the right QC documentation (RUO).

Get a Quote

Please use this form for bulk quantity requests or customized products.

Contact Information

Product Information

Try Celltrypse Free – Request Your Sample Today

Experience the power of Celltrypse™, c-LEcta's innovative enzyme solution for gentle and efficient cell dissociation. Request your free sample and discover a superior alternative for your cell culture workflows.

Try Celltrypse Free – Request Your Sample Today

Try Celltrypse Free – Request Your Sample Today

Experience the power of Celltrypse™, c-LEcta's innovative enzyme solution for gentle and efficient cell dissociation. Request your free sample and discover a superior alternative for your cell culture workflows.

Try Celltrypse Free – Request Your Sample Today