Siramesine hydrochlorideSigma-2 receptor agonist CAS# 224177-60-0 |
- Silymarin
Catalog No.:BCN6299
CAS No.:22888-70-6
Quality Control & MSDS
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Chemical structure
3D structure
| Cas No. | 224177-60-0 | SDF | Download SDF |
| PubChem ID | 9891778 | Appearance | Powder |
| Formula | C30H32ClFN2O | M.Wt | 491.04 |
| Type of Compound | N/A | Storage | Desiccate at -20°C |
| Synonyms | Lu 28-179 hydrochloride | ||
| Solubility | DMSO : ≥ 42 mg/mL (85.53 mM) *"≥" means soluble, but saturation unknown. | ||
| Chemical Name | 1'-[4-[1-(4-fluorophenyl)indol-3-yl]butyl]spiro[1H-2-benzofuran-3,4'-piperidine];hydrochloride | ||
| SMILES | C1CN(CCC12C3=CC=CC=C3CO2)CCCCC4=CN(C5=CC=CC=C54)C6=CC=C(C=C6)F.Cl | ||
| Standard InChIKey | ILSRGIFRZZSGPN-UHFFFAOYSA-N | ||
| Standard InChI | InChI=1S/C30H31FN2O.ClH/c31-25-12-14-26(15-13-25)33-21-23(27-9-2-4-11-29(27)33)7-5-6-18-32-19-16-30(17-20-32)28-10-3-1-8-24(28)22-34-30;/h1-4,8-15,21H,5-7,16-20,22H2;1H | ||
| 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 | Siramesine(Lu 28-179) Hcl is a selective sigma-2 receptor agonist, which has been shown to trigger cell death of cancer cells and to exhibit a potent anticancer activity in vivo.
IC50 value:
Target: sigma-2 receptor; lysosome-destabilizing agent
siramesine can induce rapid cell death in a number of cell lines at concentrations above 20 μM. In HaCaT cells, cell death was accompanied by caspase activation, rapid loss of mitochondrial membrane potential (MMP), cytochrome c release, cardiolipin peroxidation and typical apoptotic morphology, whereas in U-87MG cells most apoptotic hallmarks were not notable, although MMP was rapidly lost [1]. Siramesine, a sigma-2 receptor agonist originally developed as an anti-depressant, can induce cell death in transformed cells through a mechanism involving lysosomal destabilization [2].
in vivo: SA4503 or siramesine given jointly with MEM (as well as with AMA) decreased the immobility time in rats. The effect of SA4503 and AMA co-administration was antagonized by progesterone, a sigma1 receptor antagonistic neurosteroid. Combined treatment with siramesine and AMA was modified by neither progesterone nor BD1047 (a novel sigma antagonist with preferential affinity for sigma1 sites) [3] References: | |||||
Siramesine hydrochloride Dilution Calculator
Siramesine hydrochloride Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 2.0365 mL | 10.1825 mL | 20.3649 mL | 40.7299 mL | 50.9123 mL |
| 5 mM | 0.4073 mL | 2.0365 mL | 4.073 mL | 8.146 mL | 10.1825 mL |
| 10 mM | 0.2036 mL | 1.0182 mL | 2.0365 mL | 4.073 mL | 5.0912 mL |
| 50 mM | 0.0407 mL | 0.2036 mL | 0.4073 mL | 0.8146 mL | 1.0182 mL |
| 100 mM | 0.0204 mL | 0.1018 mL | 0.2036 mL | 0.4073 mL | 0.5091 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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Siramesine(Lu 28-179) Hcl is a selective sigma-2 receptor agonist, which has been shown to trigger cell death of cancer cells and to exhibit a potent anticancer activity in vivo.
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Influence of the solid form of siramesine hydrochloride on its behavior in aqueous environments.[Pubmed:19005740]
Pharm Res. 2009 Apr;26(4):846-54.
PURPOSE: To study the influence of solid form on the behavior of the salt Siramesine hydrochloride in aqueous environments. METHODS: The solubilities and dissolution rates of Siramesine hydrochloride anhydrate and monohydrate were determined at pH 3.4 and 6.4, and precipitates were examined by X-ray powder diffraction. The mechanism of anhydrate-hydrate conversion was investigated by optical microscopy, and wet massing of the anhydrate was carried out using water and 60% (v/v) ethanol separately as granulation liquids. The wet masses were analyzed using Raman microscopy. RESULTS: At pH 3.4 the anhydrate and monohydrate salts exhibited similar dissolution profiles. At pH 6.4 both the anhydrate and monohydrate salts formed supersaturated solutions of high apparent solubility. From the anhydrate solution, precipitation of the free base occurred, while the solution of the monohydrate salt remained in the supersaturated state. This resulted in a superior dissolution profile of the monohydrate salt. Microscopy and wet massing experiments showed that the anhydrate-hydrate conversion of Siramesine hydrochloride was solution-mediated and dissolution-controlled. CONCLUSION: During development of a formulation based on the anhydrate salt, the risk of processing-induced transformation to the monohydrate form as well as precipitation of the free base should be considered.
Adsorption of pharmaceutical excipients onto microcrystals of siramesine hydrochloride: effects on physicochemical properties.[Pubmed:18619536]
Eur J Pharm Biopharm. 2009 Jan;71(1):109-16.
A common challenge in the development of new drug substances is poor dissolution characteristics caused by low aqueous solubility. In this study, microcrystals with optimized physicochemical properties were prepared by precipitation in the presence of excipients, which adsorbed to the particle surface and altered particle size, morphology, and dissolution rate. The poorly water-soluble drug Siramesine hydrochloride was precipitated by the antisolvent method in the presence of each of various polymeric and surface active excipients. Powder dissolution studies of six of the resulting particle systems showed a significant increase in percent dissolved after 15 min compared to the starting material. A quantitative determination of the amount of excipient adsorbed to the surface of the drug particles proved that only a very small amount of excipient was needed to exert a marked effect on particle properties. The adsorbed amount of excipient constituted less than 1.4% (w/w) of the total particle weight, and thus powders of very high drug loads were obtained. Sodium lauryl sulphate (SLS), hydroxypropyl methylcellulose (HPMC), and hydroxypropyl cellulose (HPC), which exhibited the greatest degree of adsorption, also had the greatest effect on the physicochemical properties of the particles. X-ray Photoelectron Spectroscopy (XPS) analysis of the surface composition and scanning electron microscopy studies on particle morphology suggested that the excipients adsorbed to specific faces of the crystals.
Structural characterisation and dehydration behaviour of siramesine hydrochloride.[Pubmed:19156865]
J Pharm Sci. 2009 Oct;98(10):3596-607.
In this study the crystal structures of Siramesine hydrochloride anhydrate alpha-form and Siramesine hydrochloride monohydrate were determined, and this structural information was used to explain the physicochemical properties of the two solid forms. In the crystal structure of the monohydrate, each water molecule is hydrogen bonded to two chloride ions, and thus the water is relatively strongly bound in the crystal. No apparent channels for dehydration were observed in the monohydrate structure, which could allow transmission of structural information during dehydration. Instead destructive dehydration occurred, where the elimination of water from the monohydrate resulted in the formation of an oily phase, which subsequently recrystallised into one or more crystalline forms. Solubility and intrinsic dissolution rate of the anhydrate alpha-form and the monohydrate in aqueous media were investigated and both were found to be lower for the monohydrate compared to the anhydrate alpha-form. Finally, the interactions between water molecules and chloride ions in the monohydrate as well as changes in packing induced by water incorporation could be detected by spectroscopic techniques.
