Sideroxylin

CAS# 3122-87-0

Sideroxylin

Catalog No. BCN5226----Order now to get a substantial discount!

Product Name & Size Price Stock
Sideroxylin: 5mg $828 In Stock
Sideroxylin: 10mg Please Inquire In Stock
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Quality Control of Sideroxylin

Number of papers citing our products

Chemical structure

Sideroxylin

3D structure

Chemical Properties of Sideroxylin

Cas No. 3122-87-0 SDF Download SDF
PubChem ID 3083788 Appearance Yellow powder
Formula C18H16O5 M.Wt 312.3
Type of Compound Flavonoids Storage Desiccate at -20°C
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
Chemical Name 5-hydroxy-2-(4-hydroxyphenyl)-7-methoxy-6,8-dimethylchromen-4-one
SMILES CC1=C(C2=C(C(=C1OC)C)OC(=CC2=O)C3=CC=C(C=C3)O)O
Standard InChIKey QJSQOGJCHBXLAH-UHFFFAOYSA-N
Standard InChI InChI=1S/C18H16O5/c1-9-16(21)15-13(20)8-14(11-4-6-12(19)7-5-11)23-18(15)10(2)17(9)22-3/h4-8,19,21H,1-3H3
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.
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.
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.

Source of Sideroxylin

The leaves of Eucalyptus robusta Smith

Biological Activity of Sideroxylin

Description1. Sideroxylin can synergistically enhance the antimicrobial activity of the alkaloid berberine (also a constituent of H. canadensis) against Staphylococcus aureus by inhibition of the NorA multidrug resistance pump.
TargetsAntifection

Sideroxylin Dilution Calculator

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Sideroxylin Molarity Calculator

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Preparing Stock Solutions of Sideroxylin

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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References on Sideroxylin

An Isoflavone from Leiophyllum buxifolium and Its Antiproliferative Effect.[Pubmed:26086179]

J Nat Prod. 2015 Jul 24;78(7):1748-51.

A new C-methylisoflavone, isoSideroxylin (1), and a known C-methylflavone, Sideroxylin (2), were isolated from the EtOAc extract of the leaves of Leiophyllum buxifolium. The two compounds were evaluated with the sulforhodamine B assay for their antiproliferative effects against ER(-) MDA-MB-231 and ER(+) MCF-7 breast cancer cell lines and the NIH3T3 mouse fibroblast cell line. IsoSideroxylin (1) displayed a selective antiproliferative effect against MDA-MB-231 cells.

Synergy-directed fractionation of botanical medicines: a case study with goldenseal (Hydrastis canadensis).[Pubmed:21661731]

J Nat Prod. 2011 Jul 22;74(7):1621-9.

It is often argued that the efficacy of herbal medicines is a result of the combined action of multiple constituents that work synergistically or additively. Determining the bioactive constituents in these mixtures poses a significant challenge. We have developed an approach to address this challenge, synergy-directed fractionation, which combines comprehensive mass spectrometry profiling with synergy assays and natural products isolation. The applicability of synergy-directed fractionation was demonstrated using the botanical medicine goldenseal (Hydrastis canadensis) as a case study. Three synergists from goldenseal were identified, Sideroxylin, 8-desmethyl-Sideroxylin, and 6-desmethyl-Sideroxylin. These flavonoids synergistically enhance the antimicrobial activity of the alkaloid berberine (also a constituent of H. canadensis) against Staphylococcus aureus by inhibition of the NorA multidrug resistance pump. The flavonoids possess no inherent antimicrobial activity against S. aureus; therefore, they could have been missed using traditional bioactivity-directed fractionation. The flavonoid synergists are present at higher concentration in extracts from H. canadensis leaves, while the antimicrobial alkaloid berberine is present at higher levels in H. canadensis roots. Thus, it may be possible to produce an extract with optimal activity against S. aureus using a combination of goldenseal roots and leaves.

C-methylflavonoids isolated from Callistemon lanceolatus protect PC12 cells against Abeta-induced toxicity.[Pubmed:20101562]

Planta Med. 2010 Jun;76(9):863-8.

Increased beta-amyloid (Abeta) production and its aggregation to the oligomeric state is considered to be a major cause of Alzheimer's disease (AD). Therefore, reducing Abeta-induced neurotoxicity could provide a suitable means of prevention or intervention in the disease course of AD. The neuroprotective effects of isolates from Callistemon lanceolatus DC. (Myrtaceae) against Abeta were evaluated using PC12 cells. To evaluate the effects of Abeta on apoptotic cell death and the effects of Bcl-2 family proteins and caspase-3, TUNEL assays and Western blotting were performed, respectively. Substantial fractionation and purification of the EtOAc-soluble extract of the aerial parts of C. lanceolatus afforded six flavonoids, 4',5-dihydroxy-6,8-dimethyl-7-methoxyflavanone (1), eucalyptin (2), 8-demethyleucalyptin (3), Sideroxylin (4), syzalterin (5), and quercetin (6). Compounds 1, 5, and 6 were found to protect PC12 cells effectively against Abeta-induced toxicity. In particular, compound 1 showed the most promising neuroprotective effect with an ED (50) value of 6.7 microM in terms of decreasing Abeta-induced apoptotic cell death, and this was accompanied by a decrease in caspase-3 activation and an increase in Bcl-2/Bax ratio. These results suggest that compound 1 could be developed as a candidate anti-AD agent due to its attenuation of Abeta-induced apoptotic cell death.

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