Scutebata B

CAS# 1207181-58-5

Scutebata B

Catalog No. BCN6097----Order now to get a substantial discount!

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Scutebata B: 5mg $1098 In Stock
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Quality Control of Scutebata B

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Chemical structure

Scutebata B

3D structure

Chemical Properties of Scutebata B

Cas No. 1207181-58-5 SDF Download SDF
PubChem ID 46183385 Appearance Powder
Formula C35H39NO10 M.Wt 633.7
Type of Compound Diterpenoids Storage Desiccate at -20°C
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
Chemical Name [(1R,2S,3R,4S,4aS,8aR)-4-[(1S)-1-acetyloxy-2-(4-hydroxy-5-oxo-2H-furan-3-yl)ethyl]-2-benzoyloxy-3-hydroxy-3,4,8,8a-tetramethyl-2,4a,5,6-tetrahydro-1H-naphthalen-1-yl] pyridine-3-carboxylate
SMILES CC1=CCCC2C1(C(C(C(C2(C)C(CC3=C(C(=O)OC3)O)OC(=O)C)(C)O)OC(=O)C4=CC=CC=C4)OC(=O)C5=CN=CC=C5)C
Standard InChIKey PMRCLNAMSQXGTL-MJSWBYPNSA-N
Standard InChI InChI=1S/C35H39NO10/c1-20-11-9-15-25-33(20,3)28(45-31(40)23-14-10-16-36-18-23)29(46-30(39)22-12-7-6-8-13-22)35(5,42)34(25,4)26(44-21(2)37)17-24-19-43-32(41)27(24)38/h6-8,10-14,16,18,25-26,28-29,38,42H,9,15,17,19H2,1-5H3/t25-,26-,28-,29-,33-,34-,35-/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.
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 Scutebata B

The herbs of Scutellaria barbata D.Don

Biological Activity of Scutebata B

DescriptionScutebata B inhibited NO production efficiently with IC50 values of lower than 50 μM.
TargetsNO
In vitro

Constituents from Scutellaria barbata Inhibiting Nitric Oxide Production in LPS-Stimulated Microglial Cells.[Reference: WebLink]

Chemistry & Biodiversity, 2017, 14(11).


METHODS AND RESULTS:
The arial parts of Scutellaria barbata D. Don (Lamiaceae) efficiently inhibited NO production in BV2 microglial cells, and the active constituents were further isolated based on activity-guided isolation using silica-gel column chromatography, RP-C18 MPLC and prep-HPLC. As the results, 2 flavonoids including 6-methoxynaringenin (1) and 6-O-methylscutellarein (5), and 6 neo-clerodane diterpenes such as scutebarbatine W (2), Scutebata B (3), scutebarbatine B (4), scutebarbatine A (6), 6-O-nicotinolylscutebarbatine G (7) and scutebarbatine X (8) were isolated. The structures of these compounds were elucidated based on NMR and MS data, and the comparison of literature values. All the compounds except compound 7 inhibited NO production efficiently with IC50 values of lower than 50 μM. Particularly, compound 1 and 8 were the most efficient with IC50 values of 25.8 and 27.4 μM, respectively.
CONCLUSIONS:
This is the first report suggesting the potential of S. barbata on the reduction of neuroinflammation.

Protocol of Scutebata B

Structure Identification
Journal of Natural Products, 2010, 73(2):233-236.

Cytotoxic neoclerodane diterpenoids from Scutellaria barbata.[Reference: WebLink]


METHODS AND RESULTS:
Seven new neoclerodane diterpenoids, scutebata A, Scutebata B, scutebata C, scutebata D, scutebata E, scutebata F, scutebata G (1-7), have been isolated from Scutellaria barbata. Compounds 1-3 possess a rare alpha-hydroxy group in their alpha,beta-unsaturated lactone rings. Their structures were elucidated by spectroscopic analysis, and the relative configuration of scutebata A was deduced using ROESY data and the computational DFT method. Compounds 1, 2, 4, 5, and 6 were evaluated for in vitro cytotoxicity against six human cancer cell lines: HL-60, SMMC-7721, A-549, SK-BR-3, CACO-2, and PANC-1.
CONCLUSIONS:
Scutebata A (1) showed weak cytotoxicity against SK-BR-3 with an IC(50) value of 15.2 muM.

Scutebata B Dilution Calculator

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Scutebata B Molarity Calculator

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Preparing Stock Solutions of Scutebata B

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 1.578 mL 7.8902 mL 15.7803 mL 31.5607 mL 39.4508 mL
5 mM 0.3156 mL 1.578 mL 3.1561 mL 6.3121 mL 7.8902 mL
10 mM 0.1578 mL 0.789 mL 1.578 mL 3.1561 mL 3.9451 mL
50 mM 0.0316 mL 0.1578 mL 0.3156 mL 0.6312 mL 0.789 mL
100 mM 0.0158 mL 0.0789 mL 0.1578 mL 0.3156 mL 0.3945 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 Scutebata B

Neoclerodane diterpenoids from Scutellaria barbata with cytotoxic activities.[Pubmed:30449170]

Nat Prod Res. 2018 Nov 19:1-7.

Two new neoclerodane diterpenoids, barbatin F (1), barbatin G (2) together with four known compounds, scutebata A (3), Scutebata B (4), scutebata C (5) and scutebata P (6) were isolated from the whole plant of Scutellaria barbata D.Don. Their structures were elucidated on the basis of spectroscopic studies. In vitro cytotoxicity of selected compounds against cancer cell lines LoVo, SMMC-7721, HCT-116, and MCF-7 were evaluated, compound 1 and 2 showed weak cytotoxic activities against HCT-116 colon cancer cell lines with IC50 value of 44.3, 32.3 muM, respectively, while compound 3 and 4 exhibited moderate cytotoxic activities against four tested human cancer cell lines with IC50 values of 5.3128.5 muM.

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