RobtinCAS# 4382-34-7 |
Quality Control & MSDS
Number of papers citing our products
Chemical structure
3D structure
| Cas No. | 4382-34-7 | SDF | Download SDF |
| PubChem ID | 90472843 | Appearance | Powder |
| Formula | C15H12O6 | M.Wt | 288.3 |
| Type of Compound | Flavonoids | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | (2S)-7-hydroxy-2-(3,4,5-trihydroxyphenyl)-2,3-dihydrochromen-4-one | ||
| SMILES | C1C(OC2=C(C1=O)C=CC(=C2)O)C3=CC(=C(C(=C3)O)O)O | ||
| Standard InChIKey | RZPNYDYGMFMXLQ-ZDUSSCGKSA-N | ||
| Standard InChI | InChI=1S/C15H12O6/c16-8-1-2-9-10(17)6-13(21-14(9)5-8)7-3-11(18)15(20)12(19)4-7/h1-5,13,16,18-20H,6H2/t13-/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. | ||
| Structure Identification | Journal of the Korean Wood Science and Technology,2000,28(3):52-61.Extractives of the Wood of Black Locust and the Bark of Poplar as Decay-Resistant Hardwood Tree Species.[Reference: WebLink]
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Robtin Dilution Calculator
Robtin Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 3.4686 mL | 17.343 mL | 34.6861 mL | 69.3722 mL | 86.7152 mL |
| 5 mM | 0.6937 mL | 3.4686 mL | 6.9372 mL | 13.8744 mL | 17.343 mL |
| 10 mM | 0.3469 mL | 1.7343 mL | 3.4686 mL | 6.9372 mL | 8.6715 mL |
| 50 mM | 0.0694 mL | 0.3469 mL | 0.6937 mL | 1.3874 mL | 1.7343 mL |
| 100 mM | 0.0347 mL | 0.1734 mL | 0.3469 mL | 0.6937 mL | 0.8672 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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Effect of toasting intensity at cooperage on phenolic compounds in acacia (Robinia pseudoacacia) heartwood.[Pubmed:21375301]
J Agric Food Chem. 2011 Apr 13;59(7):3135-45.
The phenolic composition of heartwood from Robinia pseudoacacia, commonly known as false acacia, before and after toasting in cooperage was studied by HPLC-DAD and HPLC-DAD/ESI-MS/MS. A total of 41 flavonoid and nonflavonoid compounds were identified, some tentatively, and quantified. Seasoned acacia wood showed high concentrations of flavonoid and low levels of nonflavonoid compounds, the main compounds being the dihydroflavonols dihydrorobinetin, fustin, tetrahydroxy, and trihydroxymethoxy dihydroflavonol, the flavonol robinetin, the flavanones Robtin and butin, and a leucorobinetinidin, none of which are found in oak wood. The low molecular weight (LMW) phenolic compounds present also differed from those found in oak, since compounds with a beta-resorcylic structure, gallic related compounds, protocatechuic aldehyde, and some hydroxycinnamic compounds are included, but only a little gallic and ellagic acid. Toasting changed the chromatographic profiles of extracts spectacularly. Thus, the toasted acacia wood contributed flavonoids and condensed tannins (prorobinetin type) in inverse proportion to toasting intensity, while LMW phenolic compounds were directly proportional to toasting intensity, except for gallic and ellagic acid and related compounds. Even though toasting reduced differences between oak and acacia, particular characteristics of this wood must be taken into account when considering its use in cooperage: the presence of flavonoids and compounds with beta-resorcylic structure and the absence of hydrolyzable tannins.
