ChrysoobtusinCAS# 70588-06-6 |
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| Cas No. | 70588-06-6 | SDF | Download SDF |
| PubChem ID | 155381 | Appearance | Powder |
| Formula | C19H18O7 | M.Wt | 358.3 |
| Type of Compound | N/A | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | 2-hydroxy-1,6,7,8-tetramethoxy-3-methylanthracene-9,10-dione | ||
| SMILES | CC1=C(C(=C2C(=C1)C(=O)C3=CC(=C(C(=C3C2=O)OC)OC)OC)OC)O | ||
| Standard InChIKey | ZMDXTRSTKHTSCE-UHFFFAOYSA-N | ||
| Standard InChI | InChI=1S/C19H18O7/c1-8-6-9-12(18(25-4)14(8)20)16(22)13-10(15(9)21)7-11(23-2)17(24-3)19(13)26-5/h6-7,20H,1-5H3 | ||
| 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. | ||
Chrysoobtusin Dilution Calculator
Chrysoobtusin Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 2.791 mL | 13.9548 mL | 27.9096 mL | 55.8191 mL | 69.7739 mL |
| 5 mM | 0.5582 mL | 2.791 mL | 5.5819 mL | 11.1638 mL | 13.9548 mL |
| 10 mM | 0.2791 mL | 1.3955 mL | 2.791 mL | 5.5819 mL | 6.9774 mL |
| 50 mM | 0.0558 mL | 0.2791 mL | 0.5582 mL | 1.1164 mL | 1.3955 mL |
| 100 mM | 0.0279 mL | 0.1395 mL | 0.2791 mL | 0.5582 mL | 0.6977 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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Simultaneous determination of aurantio-obtusin, chrysoobtusin, obtusin and 1-desmethylobtusin in rat plasma by UHPLC-MS/MS.[Pubmed:24027008]
Biomed Chromatogr. 2014 Mar;28(3):369-74.
A sensitive and reliable ultra-high-performance liquid chromatography-electrospray ionization-tandem mass spectrometry (UHPLC-MS/MS) method was developed and validated for the simultaneous determination of four active components of Semen Cassiae extract (aurantio-obtusin, Chrysoobtusin, obtusin and 1-desmethylobtusin) in rat plasma after oral administration. Chromatographic separation was achieved on an Agilent Poroshell 120 C18 column with gradient elution using a mobile phase that consisted of acetonitrile-ammonium acetate in water (30 mm) at a flow rate of 0.4 mL/min. Detection was performed by a triple-quadrupole tandem mass spectrometer in multiple reaction monitoring mode. The calibration curve was linear over a range of 3.24-1296 ng/mL for aurantio-obtusin, 0.77-618 ng/mL for Chrysoobtusin, 34.55-1818 ng/mL for obtusin and 1.86-1485 ng/mL for 1-desmethylobtusin. Inter- and intra-day assay variation was <15%. All analytes were shown to be stable during all sample storage and analysis procedures.
2-Hydr-oxy-1,6,7,8-tetra-meth-oxy-3-methyl-anthraquinone.[Pubmed:21201403]
Acta Crystallogr Sect E Struct Rep Online. 2008 Jan 4;64(Pt 2):o371.
The title compound, C(19)H(18)O(7), also known as Chrysoobtusin, was isolated from Cassia tora L. (Leguminosae). The anthraquinone ring system is almost planar, the dihedral angle between the two benzene rings being 4.27 (4) degrees . The structure is stabilized by intra- and inter-molecular O-Hcdots, three dots, centeredO and C-Hcdots, three dots, centeredO hydrogen bonds, and by weak pi-pi stacking inter-actions along the b axis, with a centroid-centroid distance between related benzene rings of 3.800 (4) A.
