2D Structure
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2D chemical structural formula diagram.

3D Structure
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This 3D model represents a theoretically simulated conformation and is for reference only.

Check the PF-4981517 product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 1-methyl-3-[1-methyl-5-(4-methylphenyl)pyrazol-4-yl]-4-[(3S)-3-piperidin-1-ylpyrrolidin-1-yl]pyrazolo[5,4-d]pyrimidine
CAS Number 1390637-82-7
Molecular Formula

 

C26H32N8
 
Molecular Weight (MW) 456.59
SMILES CC1=CC=C(C=C1)C2=C(C=NN2C)C3=NN(C4=C3C(=NC=N4)N5CCC(C5)N6CCCCC6)C
InChIKey WDWIMDKOXZZYHH-FQEVSTJZSA-N

How to Prepare Stock Solution?

Concentration Volume Mass
🧮 Molarity Calculator

Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 91 mg/mL (199.3 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water Insoluble
Ethanol Insoluble
FAQ
Q: Why does a DMSO stock precipitate in media/saline?
A: It is caused by unheated aqueous media (supersaturation), local solvent shock, or incorrect mixing sequence.
How to fix it?
  • Preheat media/saline to 37°C.
  • Mix rapidly (pipette/vortex) upon addition.
  • For complex mixes, always add the aqueous phase last.
  • Re-dissolve minor precipitates with a 37°C water bath and sonication (≤30 min).

Aliquotting Service

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Pre-aliquoted for Longevity: Solid-state aliquots offer significantly longer shelf life compared to stock solutions, ensuring maximum stability for every use.

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Note: Technical data last updated: Sep 1, 2026.