27-O-(tert-Butyldimethylsilyl)withaferin A
27-O-(tert-Butyldimethylsilyl)withaferin A (compound 9a), a natural withanolide, is an apoptosis inducer. 27-O-(tert-Butyldimethylsilyl)withaferin A shows antiproliferative activity against HeLa, A-549 and MCF-7 human cancer cell lines, and against normal Vero cells.
For research use only. We do not sell to patients.
- CAS No.: 1392820-18-6
- Formula: C34H52O6Si
- Molecular Weight:584.86
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Storage:
Please store the product under the recommended conditions in the Certificate of Analysis.
Biological Activity
Description
Cellular Effect
|
Cell Line
|
Type | Value | Description | References |
|---|---|---|---|---|
| A2780 | IC50 |
47.5 nM
Compound: 21
|
Antiproliferative activity against cisplatin-sensitive human A2780 cells measured after 96 hrs by MTT assay
Antiproliferative activity against cisplatin-sensitive human A2780 cells measured after 96 hrs by MTT assay
|
[PMID: 31008605] |
| A549 | IC50 |
1.5 μM
Compound: 54
|
Cytotoxicity against human A549 cells assessed as reduction in cell viability using compound addition to cell culture cells in lag phase of growth and incubated for 48 hrs by MTT assay
Cytotoxicity against human A549 cells assessed as reduction in cell viability using compound addition to cell culture cells in lag phase of growth and incubated for 48 hrs by MTT assay
|
[PMID: 28923386] |
| A549 | IC50 |
1.5 μM
Compound: 9a
|
Cytotoxicity against human A549 cells assessed as cell viability after 48 hrs by MTT assay
Cytotoxicity against human A549 cells assessed as cell viability after 48 hrs by MTT assay
|
[PMID: 22705001] |
| A549 | IC50 |
1.5 μM
Compound: 9a
|
Cytotoxicity against human A549 cells assessed as cell viability after 72 hrs by MTT assay
Cytotoxicity against human A549 cells assessed as cell viability after 72 hrs by MTT assay
|
[PMID: 22705001] |
| A549 | IC50 |
4 μM
Compound: 54
|
Cytotoxicity against human A549 cells assessed as reduction in cell viability using compound addition to cell culture cells in log phase of growth and incubated for 48 hrs by MTT assay
Cytotoxicity against human A549 cells assessed as reduction in cell viability using compound addition to cell culture cells in log phase of growth and incubated for 48 hrs by MTT assay
|
[PMID: 28923386] |
| ARPE-19 | IC50 |
12.4 nM
Compound: 21
|
Cytotoxicity against human ARPE19 cells measured after 96 hrs by MTT assay
Cytotoxicity against human ARPE19 cells measured after 96 hrs by MTT assay
|
[PMID: 31008605] |
| HeLa | IC50 |
0.9 μM
Compound: 54
|
Cytotoxicity against human HeLa cells assessed as reduction in cell viability using compound addition to cell culture cells in lag phase of growth and incubated for 48 hrs by MTT assay
Cytotoxicity against human HeLa cells assessed as reduction in cell viability using compound addition to cell culture cells in lag phase of growth and incubated for 48 hrs by MTT assay
|
[PMID: 28923386] |
| HeLa | IC50 |
0.9 μM
Compound: 9a
|
Cytotoxicity against human HeLa cells assessed as cell viability after 48 hrs by MTT assay
Cytotoxicity against human HeLa cells assessed as cell viability after 48 hrs by MTT assay
|
[PMID: 22705001] |
| HeLa | IC50 |
1 μM
Compound: 9a
|
Cytotoxicity against human HeLa cells assessed as cell viability after 72 hrs by MTT assay
Cytotoxicity against human HeLa cells assessed as cell viability after 72 hrs by MTT assay
|
[PMID: 22705001] |
| HeLa | IC50 |
3.1 μM
Compound: 54
|
Cytotoxicity against human HeLa cells assessed as reduction in cell viability using compound addition to cell culture cells in log phase of growth and incubated for 48 hrs by MTT assay
Cytotoxicity against human HeLa cells assessed as reduction in cell viability using compound addition to cell culture cells in log phase of growth and incubated for 48 hrs by MTT assay
|
[PMID: 28923386] |
| MCF7 | IC50 |
0.7 μM
Compound: 54
|
Cytotoxicity against human MCF7 cells assessed as reduction in cell viability using compound addition to cell culture cells in lag phase of growth and incubated for 48 hrs by MTT assay
Cytotoxicity against human MCF7 cells assessed as reduction in cell viability using compound addition to cell culture cells in lag phase of growth and incubated for 48 hrs by MTT assay
|
[PMID: 28923386] |
| MCF7 | IC50 |
0.7 μM
Compound: 9a
|
Cytotoxicity against human MCF7 cells assessed as cell viability after 48 hrs by MTT assay
Cytotoxicity against human MCF7 cells assessed as cell viability after 48 hrs by MTT assay
|
[PMID: 22705001] |
| MCF7 | IC50 |
0.7 μM
Compound: 9a
|
Cytotoxicity against human MCF7 cells assessed as cell viability after 72 hrs by MTT assay
Cytotoxicity against human MCF7 cells assessed as cell viability after 72 hrs by MTT assay
|
[PMID: 22705001] |
| MCF7 | IC50 |
1.2 μM
Compound: 54
|
Cytotoxicity against human MCF7 cells assessed as reduction in cell viability using compound addition to cell culture cells in log phase of growth and incubated for 48 hrs by MTT assay
Cytotoxicity against human MCF7 cells assessed as reduction in cell viability using compound addition to cell culture cells in log phase of growth and incubated for 48 hrs by MTT assay
|
[PMID: 28923386] |
| Vero | IC50 |
0.7 μM
Compound: 54
|
Cytotoxicity against African green monkey Vero cells assessed as reduction in cell viability using compound addition to cell culture cells in lag phase of growth and incubated for 48 hrs by MTT assay
Cytotoxicity against African green monkey Vero cells assessed as reduction in cell viability using compound addition to cell culture cells in lag phase of growth and incubated for 48 hrs by MTT assay
|
[PMID: 28923386] |
| Vero | IC50 |
0.7 μM
Compound: 9a
|
Cytotoxicity against african green monkey Vero cells assessed as cell viability after 48 hrs by MTT assay
Cytotoxicity against african green monkey Vero cells assessed as cell viability after 48 hrs by MTT assay
|
[PMID: 22705001] |
| Vero | IC50 |
0.8 μM
Compound: 54
|
Cytotoxicity against African green monkey Vero cells assessed as reduction in cell viability using compound addition to cell culture cells in log phase of growth and incubated for 48 hrs by MTT assay
Cytotoxicity against African green monkey Vero cells assessed as reduction in cell viability using compound addition to cell culture cells in log phase of growth and incubated for 48 hrs by MTT assay
|
[PMID: 28923386] |
| Vero | IC50 |
0.9 μM
Compound: 9a
|
Cytotoxicity against african green monkey Vero cells assessed as cell viability after 72 hrs by MTT assay
Cytotoxicity against african green monkey Vero cells assessed as cell viability after 72 hrs by MTT assay
|
[PMID: 22705001] |
In Vitro
27-O-(tert-Butyldimethylsilyl)withaferin A (compound 9a; 32 μM; 4-8 hours) inhibits caspase-3 activity in HeLa cells[1].
27-O-(tert-Butyldimethylsilyl)withaferin A (48 hours) shows antiproliferative activity against HeLa, A-549, MCF-7, and Vero cells with IC50 values of 0.9 μM, 1.5 μM, 0.7 μM, and 0.7 μM, respectively[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 1392820-18-6
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Molecular Weight 584.86
-
Formula C34H52O6Si
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SMILES
C[C@]12[C@@]3([C@H](C=CC2=O)O)[C@](C[C@]4([H])[C@]1([H])CC[C@]5([C@@]4([H])CC[C@]5([H])[C@@H]([C@@]6([H])CC(C)=C(C(O6)=O)CO[Si](C)(C)C(C)(C)C)C)C)([H])O3
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Structure Classification
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Initial Source
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Please store the product under the recommended conditions in the Certificate of Analysis.
Purity & Documentation
References
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)