ObolactoneCAS# 712272-88-3 |
Quality Control & MSDS
3D structure
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| Cas No. | 712272-88-3 | SDF | Download SDF |
| PubChem ID | 11370316 | Appearance | Powder |
| Formula | C19H18O4 | M.Wt | 310.34 |
| Type of Compound | Phenols | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | (2R)-2-[[(2R)-6-oxo-2,3-dihydropyran-2-yl]methyl]-6-[(E)-2-phenylethenyl]-2,3-dihydropyran-4-one | ||
| SMILES | C1C=CC(=O)OC1CC2CC(=O)C=C(O2)C=CC3=CC=CC=C3 | ||
| Standard InChIKey | NZGGCMIUTMKVIG-WADNSWHXSA-N | ||
| Standard InChI | InChI=1S/C19H18O4/c20-15-11-17(10-9-14-5-2-1-3-6-14)22-18(12-15)13-16-7-4-8-19(21)23-16/h1-6,8-11,16,18H,7,12-13H2/b10-9+/t16-,18+/m1/s1 | ||
| 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. | ||
The fruits and the trunk bark of Cryptocarya obovata.
| Description | 1. Obolactone displays significant activity in vitro cytotoxic assays against the KB cell line. |
Obolactone Dilution Calculator
Obolactone Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 3.2223 mL | 16.1114 mL | 32.2227 mL | 64.4454 mL | 80.5568 mL |
| 5 mM | 0.6445 mL | 3.2223 mL | 6.4445 mL | 12.8891 mL | 16.1114 mL |
| 10 mM | 0.3222 mL | 1.6111 mL | 3.2223 mL | 6.4445 mL | 8.0557 mL |
| 50 mM | 0.0644 mL | 0.3222 mL | 0.6445 mL | 1.2889 mL | 1.6111 mL |
| 100 mM | 0.0322 mL | 0.1611 mL | 0.3222 mL | 0.6445 mL | 0.8056 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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Cytotoxic flavonoids and alpha-pyrones from Cryptocarya obovata.[Pubmed:15165150]
J Nat Prod. 2004 May;67(5):858-62.
One alpha-pyrone, Obolactone (1), two chalcones, kurzichalcolactone B (2) and obochalcolactone (3), and two flavanones, oboflavanones A (4) and B (5), have been isolated from the fruits and the trunk bark of Cryptocarya obovata. The structures of the new compounds were elucidated by spectroscopic interpretations. The absolute configuration of Obolactone (1) was established by circular dichroism. Obolactone (1) and obochalcolactone (3) display significant activity in in vitro cytotoxic assays against the KB cell line. Biosynthetic pathways for oboflavanones and obochalcolactone are suggested.
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