Picfeltarraenin IBCAS# 97230-46-1 |
Quality Control & MSDS
Number of papers citing our products
Chemical structure
3D structure
| Cas No. | 97230-46-1 | SDF | Download SDF |
| PubChem ID | 102120501 | Appearance | White powder |
| Formula | C42H64O14 | M.Wt | 792.95 |
| Type of Compound | Triterpenoids | Storage | Desiccate at -20°C |
| Solubility | Soluble in methanol and pyridine | ||
| Chemical Name | (2R)-2-[(3R,8S,9R,10R,13R,14S,16R,17R)-3-[(2R,3R,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-16-hydroxy-4,4,9,13,14-pentamethyl-11-oxo-1,2,3,7,8,10,12,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl]-2-methyl-5-propan-2-ylfuran-3-one | ||
| SMILES | CC1C(C(C(C(O1)OC2C(C(C(OC2OC3CCC4C(=CCC5C4(C(=O)CC6(C5(CC(C6C7(C(=O)C=C(O7)C(C)C)C)O)C)C)C)C3(C)C)CO)O)O)O)O)O | ||
| Standard InChIKey | YRQJYHITIWJZQN-UGBBSPHQSA-N | ||
| Standard InChI | InChI=1S/C42H64O14/c1-18(2)23-14-26(45)42(9,56-23)35-22(44)15-39(6)25-12-10-20-21(41(25,8)27(46)16-40(35,39)7)11-13-28(38(20,4)5)54-37-34(32(50)30(48)24(17-43)53-37)55-36-33(51)31(49)29(47)19(3)52-36/h10,14,18-19,21-22,24-25,28-37,43-44,47-51H,11-13,15-17H2,1-9H3/t19-,21+,22+,24+,25-,28+,29-,30+,31+,32-,33+,34+,35-,36-,37-,39-,40+,41-,42-/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. | ||
| Description | 1. Picfeltarraenin IA and Picfeltarraenin IB are Potential PI3K and EGFR Inhibitors. 2. Picfeltarraenin IA and picfeltarraenin IB show stronger AChE inhibition than the known AChE inhibitor Tacrine. |
| Targets | EGFR | PI3K | Akt | AChR |
Picfeltarraenin IB Dilution Calculator
Picfeltarraenin IB Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 1.2611 mL | 6.3056 mL | 12.6111 mL | 25.2223 mL | 31.5278 mL |
| 5 mM | 0.2522 mL | 1.2611 mL | 2.5222 mL | 5.0445 mL | 6.3056 mL |
| 10 mM | 0.1261 mL | 0.6306 mL | 1.2611 mL | 2.5222 mL | 3.1528 mL |
| 50 mM | 0.0252 mL | 0.1261 mL | 0.2522 mL | 0.5044 mL | 0.6306 mL |
| 100 mM | 0.0126 mL | 0.0631 mL | 0.1261 mL | 0.2522 mL | 0.3153 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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Bioassay- and liquid chromatography/mass spectrometry-guided acetylcholinesterase inhibitors from Picriafel-terrae.[Pubmed:24143041]
Pharmacogn Mag. 2013 Oct;9(Suppl 1):S25-31.
BACKGROUND: Picria fel-terrae is a traditional Chinese medicine. MATERIALS AND METHODS: A new approach to the search for acetylcholinesterase (AChE) inhibitors from Picria fel-terrae is presented. RESULTS: Bioassay- and LC-MS-guided fractionation of the ethyl acetate extract was from traditional Chinese medicine P.fel-terrae. Following primary extraction, the ethyl acetate extracts fraction of P.fel-terrae showed strong AChE inhibitory activities. So the sample was separated using highperformance liquid chromatography (HPLC). The effluent was split towards two identical 96-well fraction collectors, and the presence of the biologically interesting portion and chromatographic fractions could be readily detected by analyzing selected ion chromatograms through an electrophoresis-electrospray ionization mass spectrometry (ESIMS) system for accurate mass measurement. One 96-well plate was used for a bioassay (AChE-inhibitory assay) and detected the bioactivity and position of the relevant peak in the chromatogram. The positive well in the second 96-well plate was used for identification by LC-(+) ESIMS. CONCLUSION: As abovementioned, the AChE inhibitory constituents from P.fel-terrae by LC-bioassay-ESIMS were rapid identified. Liquid chromatography/ mass spectrometry (LC-MS) screening detected the presence of six active compounds, identified as picfeltarraenin IA (1), Picfeltarraenin IB (2), picfeltarraenin IV (3), picfeltarraenin X (4), picfeltarraenin XI (5), and one unknown compound. The structures were further determined by 13C NMR. The six compounds expressed stronger AChE inhibition than the known AChE inhibitorTacrine. Above all, the value of this LC-bioassay-ESIMS methodology is highlighted by the finding and structure elucidation of the active constituents from many other structural families of natural products.
Complement-inhibiting cucurbitacin glycosides from Picria fel-terrae.[Pubmed:9644059]
J Nat Prod. 1998 Jun 26;61(6):757-61.
Four cucurbitacin glycosides were isolated from Picriafel-terrae and identified by MS and NMR spectroscopy as picfeltarraenin IA (1), Picfeltarraenin IB (2), picfeltarraenin IV (4), and a new compound picfeltarraenin VI (3) (picfeltarraegenin I 3-O-beta-D-xylopyranoside). All four compounds acted as inhibitors on both the classical and alternative pathways of the complement system, with compound 3 exhibiting the highest inhibitory activity (IC50 29 +/- 2 microM and 21 +/- 1 microM, respectively). Compounds 1-4 showed no antiviral, antibacterial, or antifungal activities. Picfeltarraenin IA and IB were tested in an in vitro human tumor cell line panel, but displayed no cytotoxic activity.
