WHI P131

SKU:BHB11900268
Suppliers
StressMarq Biosciences Inc.
StressMarq Biosciences Inc.
Details Products
Overview
Click light‑blue chips for details
WHI P131 (WHI-P131) is a research-grade small-molecule inhibitor of JAK3 kinase supporting Cell Signaling and Cancer research. Supplied as a white to off-white solid with 98% purity (CAS 202475-60-3, MW 297.3) soluble in DMSO, and DMF; store at -20°C. For research use only.
Cas No. 202475-60-3
Molecular Formula C16H15N3O3
Purity ≥98%
Application Notes JAK3 kinase inhibitor
Options selector
Catalog no. Size
SIH-485-10MG 10 mg
SIH-485-50MG 50 mg
Available Options

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

  • Options: Size (2) — 10 mg, 50 mg.
  • Lead time: options listed as “in stock at manufacturer” typically ship in 2-3 business days; other statuses may take longer.
  • Storage: -20ºC
  • Shipping: ships at ambient temperature.
  • Upon receipt: store at the recommended temperature as soon as possible.
  • Sales terms and conditions: Please review prior to ordering.
Field Specification
Mfr No SIH-485
Activity
  • Inhibitor
Alternative Names WHI-P131, Janex 1, 4-​[(6,​7-​dimethoxy-​4-​quinazolinyl)amino]-​phenol
Cas No. 202475-60-3
Form White to off-white solid
Molecular Weight 297.3
Product Type
  • Biochemicals
  • Small Molecules
Purity ≥98%
Shipping Shipped Ambient
SMILES COC1=C(C=C2C(=C1)C(=NC=N2)NC3=CC=C(C=C3)O)OC
Solubility Soluble in DMSO (~1 mg/ml), and DMF (~1 mg/ml)
Source Synthetic
Storage -20ºC

WHI P131, also known as Janex-1, is a potent, reversible, and selective inhibitor of Janus kinase 3 (JAK3). In neuroscience, WHI P131 is used to investigate the role of JAK3 signaling in neuroinflammation and glioblastoma progression. It has been shown to inhibit glioblastoma cell adhesion and migration, as well as thrombin-induced platelet aggregation. Given the involvement of JAK/STAT pathways in neuroimmune responses, WHI P131 is a valuable tool for studying neuroinflammatory mechanisms and potential therapeutic interventions in neurodegenerative diseases.

Classification: Not a hazardous substance or mixture.

Safety Phrases:

  • S22 - Do not breathe dust.
  • S24/25 - Avoid contact with skin and eyes.
  • S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.

WHI P131 (StressMarq Biosciences Inc., Victoria BC CANADA, Catalog # SIH-485)

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).

1. Sudbeck E.A., et al. (1999) Clin. Cancer Res: J. Am. Asso. Cancer Res. 5(6): 1569–1582.

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