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 Tacrine hydrochloride hydrate product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 1,2,3,4-tetrahydroacridin-9-amine;hydrate;hydrochloride
CAS Number 206658-92-6
Molecular Formula

C13H14N2.xHCl.xH2O
Molecular Weight (MW) 198.26(free bases)
SMILES C1CCC2=NC3=CC=CC=C3C(=C2C1)N.O.Cl
InChIKey PXGRMZYJAOQPNZ-UHFFFAOYSA-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 50 mg/mL
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)
Water 50 mg/mL
Ethanol 50 mg/mL
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.