3-epi-BufalinCAS# 465-20-3 |
Quality Control & MSDS
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Number of papers citing our products
| Cas No. | 465-20-3 | SDF | Download SDF |
| PubChem ID | N/A | Appearance | Powder |
| Formula | C24H34O4 | M.Wt | 386.53 |
| Type of Compound | Steroids | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| 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. | ||
3-epi-Bufalin Dilution Calculator
3-epi-Bufalin Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 2.5871 mL | 12.9356 mL | 25.8712 mL | 51.7424 mL | 64.678 mL |
| 5 mM | 0.5174 mL | 2.5871 mL | 5.1742 mL | 10.3485 mL | 12.9356 mL |
| 10 mM | 0.2587 mL | 1.2936 mL | 2.5871 mL | 5.1742 mL | 6.4678 mL |
| 50 mM | 0.0517 mL | 0.2587 mL | 0.5174 mL | 1.0348 mL | 1.2936 mL |
| 100 mM | 0.0259 mL | 0.1294 mL | 0.2587 mL | 0.5174 mL | 0.6468 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 Bufalin and Its Nine Metabolites in Rat Plasma for Characterization of Metabolic Profiles and Pharmacokinetic Study by LC(-)MS/MS.[Pubmed:31035327]
Molecules. 2019 Apr 28;24(9):1662.
Characterization and determination of metabolites to monitor metabolic pathways play a paramount role in evaluating the efficacy and safety of medicines. However, the separation and quantification of metabolites are rather difficult due to their limited contents in vivo, especially in the case of Chinese medicine, due to its complexity. In this study, an effective and convenient method was developed to simultaneously quantify bufalin and its nine metabolites (semi-quantitation) in rat plasma after an oral administration of 10 mg/kg to rats. The prototype and metabolites that were identified were subsequently quantified using positive electrospray ionization in multiple reaction monitoring (MRM) mode with transitions of m/z 387.4-->369.6 and 387.4-->351.3 for bufalin, m/z 513.7-->145.3 for IS, and 387.4-->369.6, 419.2-->365.2, and 403.2-->349.2 for the main metabolites (3-epi-Bufalin, dihydroxylated bufalin, and hydroxylated bufalin, respectively). The method was validated over the calibration curve range of 1.00-100 ng/mL with a limit of quantitation (LOQ) of 1 ng/mL for bufalin. No obvious matrix effect was observed, and the intra- and inter-day precisions, as well as accuracy, were all within the acceptable criteria in this method. Then, this method was successfully applied in metabolic profiling and a pharmacokinetic study of bufalin after an oral administration of 10 mg/kg to rats. The method of simultaneous determination of bufalin and its nine metabolites in rat plasma could be useful for pharmacokinetic-pharmacodynamic relationship research of bufalin, providing experimental evidence for explaining the occurrence of some adverse effects of Venenum Bufonis and its related preparations.
Microbial transformation of resibufogenin by Curvularia lunata AS 3.4381.[Pubmed:24456251]
J Asian Nat Prod Res. 2014;16(3):290-5.
In this paper, the microbial transformation of resibufogenin by Curvularia lunata AS 3.4381 was investigated, and four transformed products were isolated and characterized as 3-epi-resibufogenin (2), 12alpha-hydroxy-3-epi-resibufogenin (3), 12-oxo-16beta-hydroxy-3-epi-resibufogenin (4), and 12beta,15-epoxy-3-epi-Bufalin-14,15-ene (5). Among them, 4 and 5 are new compounds, and isomerization, hydroxylation, and oxidation reactions in microbial transformation process were observed. Additionally, the cytotoxicities of transformed products (2-5) were also investigated.
