CAS No. 1021868-92-7

Batch: Purity:99.92
ZM 39923 HCl Chemical Structure
Chemical Structure
Check the ZM 39923 HCl product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 3-[benzyl(propan-2-yl)amino]-1-naphthalen-2-ylpropan-1-one;hydrochloride
CAS Number 1021868-92-7
Molecular Formula

C23H25NO.HCl

Molecular Weight (MW) 367.91
SMILES CC(C)N(CCC(=O)C1=CC2=CC=CC=C2C=C1)CC3=CC=CC=C3.Cl
InChIKey NJTUORMLOPXPBY-UHFFFAOYSA-N

Ordering Information

Biological Activity

ZM 39923 HCl is a small-molecule Janus kinase inhibitor targeting JAK3 and JAK1, with minimal activity against JAK2. By blocking JAK kinase activity, it inhibits downstream STAT protein phosphorylation and suppresses the JAK/STAT signaling pathway. This blockade impairs cytokine-mediated signal transduction, resulting in reduced cell proliferation and attenuated inflammatory immune responses. [1]

How to Prepare Stock Solution?

Concentration Volume Mass
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Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 30 mg/mL (81.54 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 8 mg/mL
Water 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).

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