CAS No. 928853-86-5
Batch:
Purity:99.72
Chemical Structure
Check the
4-MMPB
product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.
| IUPAC Name | 4-methyl-2-(4-methylpiperazin-1-yl)-5H-pyrimido[4,5-b][1,4]benzothiazine | |
|---|---|---|
| CAS Number | 928853-86-5 | |
| Molecular Formula |
C16H19N5S |
|
| Molecular Weight (MW) | 313.42 | |
| SMILES | CN1CCN(CC1)C2=NC(=C3NC4=CC=CC=C4SC3=N2)C | |
| InChIKey | HYPHGMNLWIKEMB-UHFFFAOYSA-N |
4-MMPB is a selective inhibitor of 15-lipoxygenase (15-LO; IC50 = 18 μM), soybean 15-lipoxygenase (SLO; IC50 = 19.5 μM), and human 15-lipoxygenase-1 (15-LOX-1; IC=. By targeting lipoxygenase-mediated signaling pathways, 4-MMPB suppresses cell proliferation and survival in prostate cancer models. Downstream inhibition of-LOX triggers key cell death pathways, including apoptosis and ferroptosis, leading to delayed tumor growth. [1][2]
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Concentration
Volume
Mass
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|---|
Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
| Solvent | Solubility & Note |
|---|---|
| DMSO |
3 mg/mL
(9.57 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous 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.