Protosappanin A dimethyl acetalCAS# 868405-37-2 |
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| Cas No. | 868405-37-2 | SDF | Download SDF |
| PubChem ID | 11347693 | Appearance | Powder |
| Formula | C17H18O6 | M.Wt | 318.3 |
| Type of Compound | Phenols | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| SMILES | COC1(CC2=CC(=C(C=C2C3=C(C=C(C=C3)O)OC1)O)O)OC | ||
| Standard InChIKey | SVSDBMDJWUPWHK-UHFFFAOYSA-N | ||
| Standard InChI | InChI=1S/C17H18O6/c1-21-17(22-2)8-10-5-14(19)15(20)7-13(10)12-4-3-11(18)6-16(12)23-9-17/h3-7,18-20H,8-9H2,1-2H3 | ||
| 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 heartwoods of Caesalpinia sappan
| Description | 1. Protosappanin A dimethyl acetal shows significant xanthine oxidase inhibitory activity in a concentration-dependent manner. |
Protosappanin A dimethyl acetal Dilution Calculator
Protosappanin A dimethyl acetal Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 3.1417 mL | 15.7085 mL | 31.4169 mL | 62.8338 mL | 78.5423 mL |
| 5 mM | 0.6283 mL | 3.1417 mL | 6.2834 mL | 12.5668 mL | 15.7085 mL |
| 10 mM | 0.3142 mL | 1.5708 mL | 3.1417 mL | 6.2834 mL | 7.8542 mL |
| 50 mM | 0.0628 mL | 0.3142 mL | 0.6283 mL | 1.2567 mL | 1.5708 mL |
| 100 mM | 0.0314 mL | 0.1571 mL | 0.3142 mL | 0.6283 mL | 0.7854 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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Xanthine oxidase inhibitors from the heartwood of Vietnamese Caesalpinia sappan.[Pubmed:16079532]
Chem Pharm Bull (Tokyo). 2005 Aug;53(8):984-8.
From the MeOH extract of Vietnamese Caesalpinia sappan, a novel biogenetically exclusive benzindenopyran, with a new carbon framework, neoprotosappanin (1), and a new compound, Protosappanin A dimethyl acetal (3), were isolated together with protosappanin E-2 (2), neosappanone A (4), and 13 previously reported phenolic compounds (5-17). Their structures were elucidated on the basis of spectroscopic data. Compounds 1-4, 7, 13, and 15-17 showed significant xanthine oxidase inhibitory activity in a concentration-dependent manner, and sappanchalcone (17) showed the most potent activity with an IC50 value of 3.9 microM, comparable to that of positive control allopurinol (IC50, 2.5 microM). The kinetic study of these inhibitors indicated that they are competitive inhibitors, the same as allopurinol, except for 1 and 16 which are noncompetitive inhibitors.
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