CAS No. 41931-13-9
Batch:
Purity:99.50
Chemical Structure
Check the
LCS-1
product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.
| IUPAC Name | 4,5-dichloro-2-(3-methylphenyl)pyridazin-3-one | |
|---|---|---|
| CAS Number | 41931-13-9 | |
| Molecular Formula |
C11H8Cl2N2O |
|
| Molecular Weight (MW) | 255.1 | |
| SMILES | CC1=CC(=CC=C1)N2N=CC(=C(Cl)C2=O)Cl | |
| InChIKey | SYUPLLHVMCLXEM-UHFFFAOYSA-N |
LCS-1 is a small-molecule inhibitor of superoxide dismutase 1 (SOD1) with an ICof. By blocking SOD1 enzymatic activity, LCS-1 disrupts cellular antioxidant defenses, leading to the accumulation of reactive oxygen species (ROS). This elevation in intracellular ROS triggers ROS-dependent apoptosis and selectively impairs the growth and proliferation of cancer cell lines, providing a targeted approach to exploit oxidative stress vulnerabilities in tumor biology. [1]
|
Concentration
Volume
Mass
|
|---|
Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
| Solvent | Solubility & Note |
|---|---|
| DMSO |
15 mg/mL
(58.8 mM)
; Ultrasonicated
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.) |
| Ethanol | 6 mg/mL |
| Water | Insoluble |
| DMSO |
51 mg/mL
(199.92 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.) |
| Ethanol | 13 mg/mL |
| Water | Insoluble |
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.