SMILES:

C(CS)N.Cl
Cysteamine HCl Chemical Structure
Chemical Structure
Check the Cysteamine HCl product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 2-aminoethanethiol;hydrochloride
CAS Number 156-57-0
Molecular Formula

C2H7NS.HCl
Molecular Weight (MW) 113.61
SMILES C(CS)N.Cl
InChIKey OGMADIBCHLQMIP-UHFFFAOYSA-N

Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 23 mg/mL (202.44 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water 23 mg/mL
Ethanol 23 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.