IsohyenanchinCAS# 19417-00-6 |
Quality Control & MSDS
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| Cas No. | 19417-00-6 | SDF | Download SDF |
| PubChem ID | 12310692 | Appearance | Powder |
| Formula | C15H20O7 | M.Wt | 312.3 |
| Type of Compound | Sesquiterpenoids | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | (1S,2R,3S,5R,6R,7R,8S,9R,12S)-2,8-dihydroxy-12-(2-hydroxypropan-2-yl)-7-methylspiro[4,10-dioxatetracyclo[7.2.1.02,7.03,5]dodecane-6,2'-oxirane]-11-one | ||
| SMILES | CC12C(C3C(C(C1(C4C(C25CO5)O4)O)C(=O)O3)C(C)(C)O)O | ||
| Standard InChIKey | IZLYIEOSKVYJIP-XIWURNNGSA-N | ||
| Standard InChI | InChI=1S/C15H20O7/c1-12(2,18)5-6-11(17)21-7(5)8(16)13(3)14(4-20-14)9-10(22-9)15(6,13)19/h5-10,16,18-19H,4H2,1-3H3/t5-,6+,7+,8+,9+,10-,13-,14+,15-/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. Isohyenanchin is a weak antagonist of ionotropic GABA receptors. 2. Isohyenanchin is the potent antagonist of RDLac homo-oligomers. |
| Targets | GABA Receptor |
Isohyenanchin Dilution Calculator
Isohyenanchin Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 3.202 mL | 16.0102 mL | 32.0205 mL | 64.041 mL | 80.0512 mL |
| 5 mM | 0.6404 mL | 3.202 mL | 6.4041 mL | 12.8082 mL | 16.0102 mL |
| 10 mM | 0.3202 mL | 1.601 mL | 3.202 mL | 6.4041 mL | 8.0051 mL |
| 50 mM | 0.064 mL | 0.3202 mL | 0.6404 mL | 1.2808 mL | 1.601 mL |
| 100 mM | 0.032 mL | 0.1601 mL | 0.3202 mL | 0.6404 mL | 0.8005 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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Actions of picrodendrin antagonists on dieldrin-sensitive and -resistant Drosophila GABA receptors.[Pubmed:8982503]
Br J Pharmacol. 1996 Dec;119(8):1569-76.
1. A series of terpenoid compounds, recently isolated from Picrodendron baccatum, share a picrotoxane skeleton with picrotoxinin, an antagonist of ionotropic GABA receptors. Referred to as picrodendrins, they inhibit the binding of [35S]-tert-butylbicyclophosphorothionate (TBPS) to rat GABAA receptors. Hitherto, their effects on GABA receptors have not been investigated electrophysiologically. Under two-electrode voltage-clamp, the actions of picrodendrins and related terpenoids have been assayed on homooligomeric GABA receptors formed by the expression of a Drosophila GABA receptor subunit (RDLac) in Xenopus oocytes. 2. All the terpenoids tested, dose-dependently antagonized currents induced by 30 microM (EC50) GABA. 3. Tutin and its analogues (dihydrotutin and Isohyenanchin) differ in the structure of their axial C4 substituents. Of these compounds, tutin, which bears an isopropenyl group at this carbon atom, was the most potent antagonist of RDLac homo-oligomers, whereas Isohyenanchin, which bears a hydroxyisopropyl group, was the least potent antagonist tested. 4. Picrodendrins differ mainly in the structure of their C9 substituents. The IC50s of picrodendrins ranged from 17 +/- 1.3 nM (picrodendrin-Q) to 1006 +/- 1.3 nM (picrodendrin-O). As such, the most potent picrodendrins (Q, A and B) were approximately equipotent with picrotoxinin as antagonists of RDLac homo-oligomers. 5. Certain picrodendrin compounds effected a use-dependent blockade of RDLac homo-oligomers. Such a biphasic block was not observed with tutin analogues. 6. Picrotoxin-resistant RDLacA3025 homo-oligomers, which have a single amino acid substitution (A302S) in the 2nd transmembrane region, were markedly less sensitive to picrodendrin-O than the wild-type, dieldrin-sensitive, homo-oligomers. 7. The relative potency of tutin analogues demonstrates that the structure-activity relationship of the C4 substituent of picrotoxane-based compounds is conserved in vertebrates and insects. However, the relative order of potency of picrodendrins on RDLac homo-oligomers is distinctly different from that observed in previous radioligand binding studies performed on vertebrate GABAA receptors. As picrodendrin compounds differ in the structure of their C9 substituents, these data suggest that the optimal convulsant pharmacophores of vertebrate GABAA receptors and RDLac homo-oligomers differ with respect to this substituent.
