Podocarpusflavone ACAS# 22136-74-9 |
Quality Control & MSDS
Number of papers citing our products
Chemical structure
3D structure
| Cas No. | 22136-74-9 | SDF | Download SDF |
| PubChem ID | 5320644 | Appearance | Yellow powder |
| Formula | C31H20O10 | M.Wt | 552.5 |
| Type of Compound | Flavonoids | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | 8-[5-(5,7-dihydroxy-4-oxochromen-2-yl)-2-hydroxyphenyl]-5,7-dihydroxy-2-(4-methoxyphenyl)chromen-4-one | ||
| SMILES | COC1=CC=C(C=C1)C2=CC(=O)C3=C(O2)C(=C(C=C3O)O)C4=C(C=CC(=C4)C5=CC(=O)C6=C(C=C(C=C6O5)O)O)O | ||
| Standard InChIKey | RBTRUVNXLDXHBJ-UHFFFAOYSA-N | ||
| Standard InChI | InChI=1S/C31H20O10/c1-39-17-5-2-14(3-6-17)25-13-24(38)30-22(36)11-21(35)28(31(30)41-25)18-8-15(4-7-19(18)33)26-12-23(37)29-20(34)9-16(32)10-27(29)40-26/h2-13,32-36H,1H3 | ||
| General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months. Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it. |
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| About Packaging | 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial. 2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial. 3. Try to avoid loss or contamination during the experiment. |
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| Shipping Condition | Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request. | ||
| Description | 1. Podocarpusflavone A is the strongest noncytotoxic non-nucleotide molecule exhibiting a specific inhibitory activity against the RNA polymerase domain of DV-NS5 and thus is promising for chemotherapy development against dengue fever. 2. Podocarpusflavone A shows antimalarial activity in vitro against the chloroquine-sensitive F32 and chloroquine-resistant FcM29 strains of Plasmodium falciparum. |
| Targets | DNA/RNA Synthesis | Antifection |
Podocarpusflavone A Dilution Calculator
Podocarpusflavone A Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 1.81 mL | 9.0498 mL | 18.0995 mL | 36.1991 mL | 45.2489 mL |
| 5 mM | 0.362 mL | 1.81 mL | 3.6199 mL | 7.2398 mL | 9.0498 mL |
| 10 mM | 0.181 mL | 0.905 mL | 1.81 mL | 3.6199 mL | 4.5249 mL |
| 50 mM | 0.0362 mL | 0.181 mL | 0.362 mL | 0.724 mL | 0.905 mL |
| 100 mM | 0.0181 mL | 0.0905 mL | 0.181 mL | 0.362 mL | 0.4525 mL |
| * Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations. | |||||
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Podocarpusflavone A is a DNA topoisomerase I inhibitor, have moderated anti-proliferative activity induce cell apoptosis in MCF-7, is developing anti-tumor drugs target: DNA topoisomerase I In vitro: podocarpusflavone-A show significant inhibitions against DLD, KB, MCF-7, HEp-2 tumor cell lines (ED50 4.56-16.24 μg/mL) and induce cell apoptosis in MCF-7 via mainly sub-G1/S phase arrest. PF (40 ug/mL, 24 hr) significantly induced about 10 folds of cell deaths and growth arrest in S-phase than the control group.
References:
[1]. Pen-Ho Yeh et al. Naturally Occurring Cytotoxic [3′→8″]-Biflavonoids from Podocarpus nakaii
J Tradit Complement Med. 2012 Jul;2(3):220-6.
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Biflavonoids of Dacrydium balansae with potent inhibitory activity on dengue 2 NS5 polymerase.[Pubmed:22411725]
Planta Med. 2012 May;78(7):672-7.
In order to find new molecules for antiviral drug design, we screened 102 ethyl acetate extracts from New-Caledonian flora for antiviral activity against the dengue 2 virus RNA-dependant RNA polymerase (DV-NS5 RdRp). The leaf extract of Dacrydium balansae, which strongly inhibited the DV-NS5, was submitted to bioguided fractionation. Four biflavonoids ( 1- 4), three sterols ( 5- 7), and two stilbene derivatives ( 8- 9) were identified and evaluated for their antiviral potential on the DV-NS5 RdRp. Biflavonoids appeared to be potent inhibitors of DV-NS5 RdRp with IC (50)s between 0.26 and 3.12 microM. Inhibitory activity evaluations against the RNA polymerase from other Flaviviridae viruses allowed us to conclude that these compounds are specific inhibitors of the DV RNA polymerase. The strongest inhibitions were observed with hinokiflavone ( 4), but Podocarpusflavone A ( 2) is the strongest noncytotoxic inhibitor of the DV-NS5 and it also displayed polymerase inhibitory activity in a DV replicon. A preliminary structure-activity relationship study (SARs) revealed the necessity of the biflavonoid skeleton, the influence of number and position of methoxylations, and the importance of a free rotation of the linkage between the two apigenin monomers of the biflavonoids. To the best of our knowledge, Podocarpusflavone A ( 2) is the strongest noncytotoxic non-nucleotide molecule exhibiting a specific inhibitory activity against the RNA polymerase domain of DV-NS5 and thus is promising for chemotherapy development against dengue fever.
