Neochamaejasmine BCAS# 90411-12-4 |
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Quality Control & MSDS
Number of papers citing our products
Chemical structure
3D structure
| Cas No. | 90411-12-4 | SDF | Download SDF |
| PubChem ID | 21636084 | Appearance | Powder |
| Formula | C30H22O10 | M.Wt | 542.5 |
| Type of Compound | Flavonoids | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | (2S,3S)-3-[(2R,3S)-5,7-dihydroxy-2-(4-hydroxyphenyl)-4-oxo-2,3-dihydrochromen-3-yl]-5,7-dihydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-4-one | ||
| SMILES | C1=CC(=CC=C1C2C(C(=O)C3=C(C=C(C=C3O2)O)O)C4C(OC5=CC(=CC(=C5C4=O)O)O)C6=CC=C(C=C6)O)O | ||
| Standard InChIKey | RNQBLQALVMHBKH-JQYHKRKISA-N | ||
| Standard InChI | InChI=1S/C30H22O10/c31-15-5-1-13(2-6-15)29-25(27(37)23-19(35)9-17(33)11-21(23)39-29)26-28(38)24-20(36)10-18(34)12-22(24)40-30(26)14-3-7-16(32)8-4-14/h1-12,25-26,29-36H/t25-,26-,29-,30+/m1/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. | ||
| Description | Neochamaejasmine B displays nematicidal activity against both Bursaphelenchus xylophilus and Bursaphelenchus mucronatus. It can reduce seedling growth and disrupt root development, the IC50 value of 6.9 ug/mL . Neochamaejasmine B has antibacterial activity on Gram-positive bacterium and Gram-negative bacterium. |
| Targets | Antifection |
| In vitro | Phytotoxic flavonoids from roots of Stellera chamaejasme L. (Thymelaeaceae).[Pubmed: 25096753 ]Phytochemistry. 2014 Oct;106:61-8.Allelopathy, the negative effect on plants of chemicals released to the surroundings by a neighboring plant, is an important factor which contributes to the spread of some weeds in plant communities.
Nematicidal Activities of Isoneochamaejasmin A and Neochamaejasmin B from the Roots of Stellera chamaejasme L.against Bursaphelenchus xylophilus and Bursaphelenchus mucronatus[Reference: WebLink]Natural Product Research & Development, 2014 , 26 (5) :639-44.Two biflavonoids were isolated from ethanol extract from the roots of Stellera chamaejasme L.,and their chemical structures were identified as isoneochamaejasmin A and neochamaejasmin B(Neochamaejasmine B) by nuclear magnetic resonance spectral data.
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| Structure Identification | Journal of Northwest A & F University, 2008 , 36 (5) :179-184.Further study on relationship between structure and antibacterial activity of neochamaejasmine B[Reference: WebLink] It further studied the relationship between structure and antibacterial activity of Neochamaejasmine B. |
Neochamaejasmine B Dilution Calculator
Neochamaejasmine B Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 1.8433 mL | 9.2166 mL | 18.4332 mL | 36.8664 mL | 46.0829 mL |
| 5 mM | 0.3687 mL | 1.8433 mL | 3.6866 mL | 7.3733 mL | 9.2166 mL |
| 10 mM | 0.1843 mL | 0.9217 mL | 1.8433 mL | 3.6866 mL | 4.6083 mL |
| 50 mM | 0.0369 mL | 0.1843 mL | 0.3687 mL | 0.7373 mL | 0.9217 mL |
| 100 mM | 0.0184 mL | 0.0922 mL | 0.1843 mL | 0.3687 mL | 0.4608 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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Phytotoxic flavonoids from roots of Stellera chamaejasme L. (Thymelaeaceae).[Pubmed:25096753]
Phytochemistry. 2014 Oct;106:61-68.
Allelopathy, the negative effect on plants of chemicals released to the surroundings by a neighboring plant, is an important factor which contributes to the spread of some weeds in plant communities. In this field, Stellera chamaejasme L. (Thymelaeaceae) is one of the most toxic and ecologically-threatening weeds in some of the grasslands of north and west China. Bioassay-guided fractionation of root extracts of this plant led to the isolation of eight flavonoids 1-8, whose structures were elucidated by spectroscopic analysis. All compounds obtained, except 7-methoxylneochaejasmin A (4) and (+)-epiafzelechin (5), showed strong phytotoxic activity against Arabidopsis thaliana seedlings. Seedling growth was reduced by neochamaejasmin B (1), mesoneochamaejasmin A (2), chamaejasmenin C (3), genkwanol A (6), daphnodorin B (7) and dihydrodaphnodorin B (8) with IC50 values of 6.9, 12.1, 43.2, 74.8, 7.1 and 27.3mug/mL, respectively, and all of these compounds disrupted root development. Endogenous auxin levels at the root tips of the A. thaliana DR5::GUS transgenic line were largely reduced by compounds 1, 2 and 6-8, and were increased by compound 4. Moreover, the inhibition rate of A. thaliana auxin transport mutants pin2 and aux1-7 by compounds 1-8 were all lower than the wild type (Col-0). The influence of these compounds on endogenous auxin distribution is thus proposed as a critical factor for the phytotoxic effect. Compounds 1, 2, 4 and 8 were found in soils associated with S. chamaejasme, and these flavonoids also showed phytotoxicity to Clinelymus nutans L., an associated weed of S. chamaejasme. These results indicated that some phytotoxic compounds from roots of S. chamaejasme may be involved in the potential allelopathic behavior of this widespread weed.
