Dracoflavan B2CAS# 194794-47-3 |
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| Cas No. | 194794-47-3 | SDF | Download SDF |
| PubChem ID | 177392 | Appearance | Powder |
| Formula | C33H30O7 | M.Wt | 538.6 |
| Type of Compound | Flavonoids | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| SMILES | CC1=C(C=C2C(=C1OC)C3C(C(O2)(OC4=CC(=C5CCC(OC5=C34)C6=CC=CC=C6)OC)C7=CC=CC=C7)O)O | ||
| Standard InChIKey | VVMNOJJSVJYOFS-SCZWQZILSA-N | ||
| Standard InChI | InChI=1S/C33H30O7/c1-18-22(34)16-25-27(30(18)37-3)29-28-26(40-33(39-25,32(29)35)20-12-8-5-9-13-20)17-24(36-2)21-14-15-23(38-31(21)28)19-10-6-4-7-11-19/h4-13,16-17,23,29,32,34-35H,14-15H2,1-3H3/t23-,29-,32-,33-/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 herbs of Daemonorops draco
| Description | Dracoflavan B2 is a natural product from Daemonorops draco. |
| Structure Identification | J Nat Prod. 1997 Oct;60(10):971-5.Constituents of Dragon's Blood. 5. Dracoflavans B1, B2, C1, C2, D1, and D2, new A-type deoxyproanthocyanidins.[Pubmed: 9358637]
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Dracoflavan B2 Dilution Calculator
Dracoflavan B2 Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 1.8567 mL | 9.2833 mL | 18.5667 mL | 37.1333 mL | 46.4166 mL |
| 5 mM | 0.3713 mL | 1.8567 mL | 3.7133 mL | 7.4267 mL | 9.2833 mL |
| 10 mM | 0.1857 mL | 0.9283 mL | 1.8567 mL | 3.7133 mL | 4.6417 mL |
| 50 mM | 0.0371 mL | 0.1857 mL | 0.3713 mL | 0.7427 mL | 0.9283 mL |
| 100 mM | 0.0186 mL | 0.0928 mL | 0.1857 mL | 0.3713 mL | 0.4642 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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Constituents of Dragon's Blood. 5. Dracoflavans B1, B2, C1, C2, D1, and D2, new A-type deoxyproanthocyanidins.[Pubmed:9358637]
J Nat Prod. 1997 Oct;60(10):971-5.
From Dragon's Blood, a resin produced by plants of the genus Daemonorops (Palmae), six new A-type flavanoid deoxyproanthocyanidins have been isolated. Their structure and stereochemistry, established by chemical degradation and extensive NMR analysis, is consistent with a mechanism of formation common to other constituents of the resin, which involves oxidation of a 6-methylflavan to a quinonemethide, followed by coupling with another flavan moiety.
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