CAS No. 989-38-8

Batch: Purity:98
Rhodamine 6G Chemical Structure
Chemical Structure
Check the Rhodamine 6G product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name [9-(2-ethoxycarbonylphenyl)-6-(ethylamino)-2,7-dimethylxanthen-3-ylidene]-ethylazanium chloride
CAS Number 989-38-8
Molecular Formula

C28H31ClN2O3

Molecular Weight (MW) 479.01
SMILES [Cl-].CCNC1=CC2=C(C=C1C)C(=C3C=C(C)C(C=C3O2)=[NH+]CC)C4=CC=CC=C4C(=O)OCC
InChIKey VYXSBFYARXAAKO-UHFFFAOYSA-N

Ordering Information

Biological Activity

Rhodamine 6G is a cell-permeable lipophilic cationic fluorescent dye and inhibitor of mitochondrial oxidative phosphorylation. Upon selective uptake into mitochondria driven by membrane potential, Rhodamine 6G disrupts mitochondrial membrane integrity, reduces intact mitochondrial counts, and impairs ATP synthesis. Consequently, this leads to the inhibition of cellular respiration, suppression of metabolic activity, and induction of cytotoxic responses in targeted cells. [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 96 mg/mL (200.41 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 96 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).
Note: Technical data last updated: Sep 1, 2026.