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About This Item
Empirical Formula (Hill Notation):
C14H8O4
CAS Number:
Molecular Weight:
240.21
MDL number:
UNSPSC Code:
12352200
NACRES:
NA.77
Assay
≥97% (HPLC)
Quality Level
form
solid
potency
142 nM IC50
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze
protect from light
color
brown
solubility
DMSO: 50 mg/mL
storage temp.
2-8°C
SMILES string
[o]1c2c(cc1C(=O)C)C(=O)c3c(cccc3)C2=O
InChI
1S/C14H8O4/c1-7(15)11-6-10-12(16)8-4-2-3-5-9(8)13(17)14(10)18-11/h2-6H,1H3
InChI key
DPHUWDIXHNQOSY-UHFFFAOYSA-N
General description
A cell-permeable, bioactive, non-toxic naphthofurandione analog that blocks STAT3-driven gene transcription. Selectively diminishes gene expression and self-renewal in stemness high cancer cells. Shown to be more effective in stemness high cancer cell population (IC50 = 142 nM) compared to regular cancer cells (IC50 = 395 nM). Reduces spherogenesis in CD44 expressing cancer cells without affecting the colony formation in CD34+ hematopoietic stem cells. Effectively reduces the levels of Nanog, Axl, Sox-2, Klf4, survivin, c-Myc, Bmi-1, and β-catenin within a few hours following treatment. Displays broad spectrum activity against stemness high cancer cells from multiple tumors (IC50 = 291, 432, 624, 479, 549, and 729 nM for CAOV-3, SW-626, PaCa2, SNU-475, H1975, and U87-MG, respectively). Suppresses the growth of PaCa-2 xenografts in murine models that exhibited relapse of tumor growth (20 mg/kg, i.p, q.d.) following the cessation of 41-day gemcitabine treatment. Also shown to block cancer relapse, and spleen and liver metastasis in the intrasplenic nude mouse model injected with HT29 colon cancer cells.
Please note that the molecular weight for this compound is batch-specific due to variable water content. Please refer to the vial label or the certificate of analysis for the batch-specific molecular weight. The molecular weight provided represents the baseline molecular weight without water.
Please note that the molecular weight for this compound is batch-specific due to variable water content. Please refer to the vial label or the certificate of analysis for the batch-specific molecular weight. The molecular weight provided represents the baseline molecular weight without water.
Biochem/physiol Actions
Cell permeable: yes
Primary Target
STAT3
STAT3
Packaging
Packaged under inert gas
Warning
Toxicity: Standard Handling (A)
Reconstitution
Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.
Other Notes
Li, Y., et al. 2015. Proc. Natl. Acad. Sci. USA112, 1839.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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