PunctanecineCAS# 145204-91-7 |
Quality Control & MSDS
Number of papers citing our products
Chemical structure
3D structure
| Cas No. | 145204-91-7 | SDF | Download SDF |
| PubChem ID | 134715006 | Appearance | Oil |
| Formula | C20H33NO6 | M.Wt | 383.48 |
| Type of Compound | Alkaloids | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | [(1S,7R,8R)-7-[(Z)-2-methylbut-2-enoyl]oxy-2,3,5,6,7,8-hexahydro-1H-pyrrolizin-1-yl]methyl (2S)-2-hydroxy-2-[(1S)-1-hydroxyethyl]-3-methylbutanoate | ||
| SMILES | CC=C(C)C(=O)OC1CCN2C1C(CC2)COC(=O)C(C(C)C)(C(C)O)O | ||
| Standard InChIKey | YPKVTWPOGHRQRB-JAWNTELBSA-N | ||
| Standard InChI | InChI=1S/C20H33NO6/c1-6-13(4)18(23)27-16-8-10-21-9-7-15(17(16)21)11-26-19(24)20(25,12(2)3)14(5)22/h6,12,14-17,22,25H,7-11H2,1-5H3/b13-6-/t14-,15+,16+,17+,20-/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 | Nat Prod Res. 2015;29(9):887-90.Optimisation of isolation procedure for pyrrolizidine alkaloids from Rindera umbellata Bunge.[Pubmed: 25528897] |
Punctanecine Dilution Calculator
Punctanecine Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 2.6077 mL | 13.0385 mL | 26.077 mL | 52.154 mL | 65.1924 mL |
| 5 mM | 0.5215 mL | 2.6077 mL | 5.2154 mL | 10.4308 mL | 13.0385 mL |
| 10 mM | 0.2608 mL | 1.3038 mL | 2.6077 mL | 5.2154 mL | 6.5192 mL |
| 50 mM | 0.0522 mL | 0.2608 mL | 0.5215 mL | 1.0431 mL | 1.3038 mL |
| 100 mM | 0.0261 mL | 0.1304 mL | 0.2608 mL | 0.5215 mL | 0.6519 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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Optimisation of isolation procedure for pyrrolizidine alkaloids from Rindera umbellata Bunge.[Pubmed:25528897]
Nat Prod Res. 2015;29(9):887-90.
Procedure for isolation of pyrrolizidine alkaloids (PAs) from Rindera umbellata Bunge plant species was optimised. Different extraction media (methanol, ethanol and sulphuric acid), concentration and volume of sulphuric acid, pH of PA solution for alkaline extraction, extraction time and techniques (maceration, ultrasonic and overhead rotary mixer assisted extraction) were investigated. The yields of six PAs (7-angeloyl heliotridane, 7-angeloyl heliotridine, lindelofine, 7-angeloyl rinderine, Punctanecine and heliosupine) were monitored by GC-MS/FID. The best results for the isolation all of six PAs were obtained when the extraction was performed with 1 M sulphuric acid (30 mL per 1.00 g of dried sample) by overhead rotary mixer during three days. Optimal pH value for alkaline extraction of PAs with CH(2)Cl(2) was 9, and the extraction should be performed with four portions of 30 mL of CH(2)Cl(2). This procedure could be also useful for a plant sample preparation for GC and LC analyses of PAs.
