ShikalkinCAS# 54952-43-1 |
Quality Control & MSDS
3D structure
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Number of papers citing our products
| Cas No. | 54952-43-1 | SDF | Download SDF |
| PubChem ID | 5208 | Appearance | Powder |
| Formula | C16H16O5 | M.Wt | 288.3 |
| Type of Compound | N/A | Storage | Desiccate at -20°C |
| Synonyms | Alkannin;23444-65-7;517-88-4;517-89-5 | ||
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | 5,8-dihydroxy-2-(1-hydroxy-4-methylpent-3-enyl)naphthalene-1,4-dione | ||
| SMILES | CC(=CCC(C1=CC(=O)C2=C(C=CC(=C2C1=O)O)O)O)C | ||
| Standard InChIKey | NEZONWMXZKDMKF-UHFFFAOYSA-N | ||
| Standard InChI | InChI=1S/C16H16O5/c1-8(2)3-4-10(17)9-7-13(20)14-11(18)5-6-12(19)15(14)16(9)21/h3,5-7,10,17-19H,4H2,1-2H3 | ||
| 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. | ||
Shikalkin Dilution Calculator
Shikalkin Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 3.4686 mL | 17.343 mL | 34.6861 mL | 69.3722 mL | 86.7152 mL |
| 5 mM | 0.6937 mL | 3.4686 mL | 6.9372 mL | 13.8744 mL | 17.343 mL |
| 10 mM | 0.3469 mL | 1.7343 mL | 3.4686 mL | 6.9372 mL | 8.6715 mL |
| 50 mM | 0.0694 mL | 0.3469 mL | 0.6937 mL | 1.3874 mL | 1.7343 mL |
| 100 mM | 0.0347 mL | 0.1734 mL | 0.3469 mL | 0.6937 mL | 0.8672 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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Enhancement of Shikalkin Production in Arnebia euchroma Callus by a Fungal Elicitor, Rhizoctonia solani.[Pubmed:28959304]
Iran J Biotechnol. 2015 Dec;13(4):10-16.
BACKGROUND: There is a growing demand for mass production of Shikalkin (a natural pigment consisted of shikonin and alkannin) due to its increasing applications in cosmetics, pharmaceutical and nutrition industries. The root of Iranian Arnebia euchroma produces Shikalkin. The promising capability of this plant for Shikalkin production has already been demonstrated in cell culture studies. OBJECTIVES: Elicitation effect of Rhizoctonia solani (R. solani) in comparison with the effects of Cu(2+), methyl jasmonate (MJ), and salicylic acid (SA) on the Shikalkin production was investigated in A. euchroma callus. MATERIALS AND METHODS: The calli from different origins (leaf, collar and root) were proliferated on a modified Linsmaier-Skoog (mLS) medium and were subsequently transferred onto the pigment production medium containing various amounts of the desirable elicitor. Observations were quantified and the pigment production was precisely measured spectrophotometrically. RESULTS: Pigment biosynthesis was induced on White medium containing IAA (1 muM) and kinetin (10 muM) in dark at 25 degrees C. Use of R. solani increased the pigment production by 7 fold greater than normal White medium. Cu2+ only doubled the Shikalkin production. MJ and SA showed enhancing effects comparable to that of Cu(2+). DISCUSSIONS: It is assumed that upon binding of the polysaccharides of the fungal cells to the plant cell surface, a cascade of signaling is initiated that led to expression of genes involving in the biosynthesis of Shikalkin.
