Catechin pentaacetateCAS# 16198-01-9 |
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Chemical structure
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| Cas No. | 16198-01-9 | SDF | Download SDF |
| PubChem ID | 5315742 | Appearance | Powder |
| Formula | C25H24O11 | M.Wt | 500.5 |
| Type of Compound | Flavonoids | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | [(2R,3S)-5,7-diacetyloxy-2-(3,4-diacetyloxyphenyl)-3,4-dihydro-2H-chromen-3-yl] acetate | ||
| SMILES | CC(=O)OC1CC2=C(C=C(C=C2OC1C3=CC(=C(C=C3)OC(=O)C)OC(=O)C)OC(=O)C)OC(=O)C | ||
| Standard InChIKey | BKYWAYNSDFXIPL-LOSJGSFVSA-N | ||
| Standard InChI | InChI=1S/C25H24O11/c1-12(26)31-18-9-21(33-14(3)28)19-11-24(35-16(5)30)25(36-22(19)10-18)17-6-7-20(32-13(2)27)23(8-17)34-15(4)29/h6-10,24-25H,11H2,1-5H3/t24-,25+/m0/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 bark of Taxus yunnanensis
| Targets | Antifection |
Catechin pentaacetate Dilution Calculator
Catechin pentaacetate Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 1.998 mL | 9.99 mL | 19.98 mL | 39.96 mL | 49.95 mL |
| 5 mM | 0.3996 mL | 1.998 mL | 3.996 mL | 7.992 mL | 9.99 mL |
| 10 mM | 0.1998 mL | 0.999 mL | 1.998 mL | 3.996 mL | 4.995 mL |
| 50 mM | 0.04 mL | 0.1998 mL | 0.3996 mL | 0.7992 mL | 0.999 mL |
| 100 mM | 0.02 mL | 0.0999 mL | 0.1998 mL | 0.3996 mL | 0.4995 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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Process for the production of a compound (&plus ) catechin penta acetate useful as a precursor for the production of (&plus ) catechin
04/02/2002
This invention relates to a process for the production of a compound (+) Catechin pentaacetate of formula I from Taxus wallichiana tissue cultures which comprises : (a) inoculation of explants on different media compositions supplemented with combinations of auxins (1-5 mg/l) and cytokinins (0.1-1.0 mg/l); (b) incubation of the cultures under continuous light or dark conditions for 4-6 weeks for callus cultures followed by subculturing at 4-6 weeks intervals; (c) harvesting of the calli at different growth phases ranging from 12-36 months; (d) extraction of fresh pulverized calli with polar solvents at room temperature; (e) evaporating the solvent to give a residue; and partitioning of the residue between water and chlorinated solvents and evaporating the solvent to a semisolid mass; (f) subjecting the resultant mass to column chromatography over suitable adsorbent and (g) eluting with organic solvent/mixtures of organic solvents to get (+) Catechin pentaacetate.
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