CAS No. 2713577-16-1
Batch:
Purity:99.99
Chemical Structure
Check the
SKLB-197
product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.
| IUPAC Name | (3R)-4-[2-(1H-indol-4-yl)-6-(2-methylpyrazol-3-yl)quinazolin-4-yl]-3-methylmorpholine | |
|---|---|---|
| CAS Number | 2713577-16-1 | |
| Molecular Formula |
C25H24N6O |
|
| Molecular Weight (MW) | 424.5 | |
| SMILES | CC1COCCN1C2=NC(=NC3=C2C=C(C=C3)C4=CC=N[N]4C)C5=C6C=C[NH]C6=CC=C5 | |
| InChIKey | FCNFJRRMUAOHKI-MRXNPFEDSA-N |
SKLB-197 is a selective inhibitor of ataxia telangiectasia mutated and Rad3-related (ATR) kinase with an IC50 of 0.013 μM. By inhibiting ATR activity within the DNA damage response pathway, SKLB-197 disrupts replication stress management and induces synthetic lethality, leading to potent antitumor efficacy against ATM-deficient tumors both in vitro and in vivo. [1]
|
Concentration
Volume
Mass
|
|---|
Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
| Solvent | Solubility & Note |
|---|---|
| DMSO |
85 mg/mL
(200.23 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.) |
| Water | Insoluble |
| Ethanol | 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.