3-epi-Isocucurbitacin BCAS# 89647-62-1 |
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| Cas No. | 89647-62-1 | SDF | Download SDF |
| PubChem ID | 123134757 | Appearance | Oil |
| Formula | C32H46O8 | M.Wt | 558.7 |
| Type of Compound | Triterpenoids | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | [(E)-6-[(3S,16R)-3,16-dihydroxy-4,4,9,13,14-pentamethyl-2,11-dioxo-3,7,8,10,12,15,16,17-octahydro-1H-cyclopenta[a]phenanthren-17-yl]-6-hydroxy-2-methyl-5-oxohept-3-en-2-yl] acetate | ||
| SMILES | CC(=O)OC(C)(C)C=CC(=O)C(C)(C1C(CC2(C1(CC(=O)C3(C2CC=C4C3CC(=O)C(C4(C)C)O)C)C)C)O)O | ||
| Standard InChIKey | WTBZNVRBNJWSPF-SLKCYTCGSA-N | ||
| Standard InChI | InChI=1S/C32H46O8/c1-17(33)40-27(2,3)13-12-23(36)32(9,39)25-21(35)15-29(6)22-11-10-18-19(14-20(34)26(38)28(18,4)5)31(22,8)24(37)16-30(25,29)7/h10,12-13,19,21-22,25-26,35,38-39H,11,14-16H2,1-9H3/b13-12+/t19?,21-,22?,25?,26-,29?,30?,31?,32?/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. | ||
3-epi-Isocucurbitacin B Dilution Calculator
3-epi-Isocucurbitacin B Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 1.7899 mL | 8.9493 mL | 17.8987 mL | 35.7974 mL | 44.7467 mL |
| 5 mM | 0.358 mL | 1.7899 mL | 3.5797 mL | 7.1595 mL | 8.9493 mL |
| 10 mM | 0.179 mL | 0.8949 mL | 1.7899 mL | 3.5797 mL | 4.4747 mL |
| 50 mM | 0.0358 mL | 0.179 mL | 0.358 mL | 0.7159 mL | 0.8949 mL |
| 100 mM | 0.0179 mL | 0.0895 mL | 0.179 mL | 0.358 mL | 0.4475 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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[Studies on the constituents of trichosanthes root. III. Constituents of roots of Trichosanthes bracteata Voigt].[Pubmed:2760813]
Yakugaku Zasshi. 1989 Apr;109(4):265-70.
From the fresh roots of Trichosanthes bracteata Voigt., the following substances were identified: methyl palmitate, palmitic acid, suberic acid, alpha-spinasterol, stigmast-7-en-3 beta-ol, alpha-spinasterol 3-O-beta-D-glucopyranoside, stigmast-7-en-3 beta-ol 3-O-beta-D-glucopyranoside, glyceryl 1-palmitate, glyceryl 1-stearate, bryonolic acid, cucurbitacin B, isocucurbitacin B, 3-epi-Isocucurbitacin B, 23,24-dihydrocucurbitacin B, 23,24-dihydroisocucurbitacin B, 23,24-dihydro-3-epi-Isocucurbitacin B, cucurbitacin D, isocucurbitacin D and D-glucose. This root contains more than 6 times cucurbitacin of the root of T. kirilowii Maxim. var. japonicum Kitam.
Plant anticancer agents. XXX: Cucurbitacins from Ipomopsis aggregata (Polemoniaceae).[Pubmed:6546946]
J Pharm Sci. 1984 Mar;73(3):411-3.
Isocucurbitacin B (I), 3-epi-Isocucurbitacin B (II), and cucurbitacin B (III) were identified as the principal cytotoxic constituents of Ipomopsis aggregata (Pursh) V. Grant (Polemoniaceae). The structure of the new compound, II, was determined through analysis of its spectrometric characteristics.
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