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30-Oxopseudotaraxasterol
30-Oxopseudotaraxasterol
ChemFaces products have been cited in many studies from excellent and top scientific journals
Product Name 30-Oxopseudotaraxasterol
Price:
CAS No.: 160481-71-0
Catalog No.: CFN96833
Molecular Formula: C30H48O2
Molecular Weight: 440.71 g/mol
Purity: >=98%
Type of Compound: Triterpenoids
Physical Desc.: Powder
Source: The herbs of Pulicaria canariensis ssp. lanata.
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Download: COA    MSDS
Similar structural: Comparison (Web)  (SDF)
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Size /Price /Stock 10 mM * 1 mL in DMSO / Inquiry
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10 mM * 1 mL in DMSO / Inquiry / In-stock
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Biological Activity
Description: 30-Oxopseudotaraxasterol is a natural product from Pulicaria canariensis ssp. lanata.
30-Oxopseudotaraxasterol Description
Source: The herbs of Pulicaria canariensis ssp. lanata.
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Storage: Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

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After receiving: The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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Recently, ChemFaces products have been cited in many studies from excellent and top scientific journals

Cell. 2018 Jan 11;172(1-2):249-261.e12.
doi: 10.1016/j.cell.2017.12.019.
IF=36.216(2019)

PMID: 29328914

Cell Metab. 2020 Mar 3;31(3):534-548.e5.
doi: 10.1016/j.cmet.2020.01.002.
IF=22.415(2019)

PMID: 32004475

Mol Cell. 2017 Nov 16;68(4):673-685.e6.
doi: 10.1016/j.molcel.2017.10.022.
IF=14.548(2019)

PMID: 29149595

ACS Nano. 2018 Apr 24;12(4): 3385-3396.
doi: 10.1021/acsnano.7b08969.
IF=13.903(2019)

PMID: 29553709

Nature Plants. 2016 Dec 22;3: 16206.
doi: 10.1038/nplants.2016.205.
IF=13.297(2019)

PMID: 28005066

Sci Adv. 2018 Oct 24;4(10): eaat6994.
doi: 10.1126/sciadv.aat6994.
IF=12.804(2019)

PMID: 30417089
Calculate Dilution Ratios(Only for Reference)
1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.2691 mL 11.3453 mL 22.6907 mL 45.3813 mL 56.7266 mL
5 mM 0.4538 mL 2.2691 mL 4.5381 mL 9.0763 mL 11.3453 mL
10 mM 0.2269 mL 1.1345 mL 2.2691 mL 4.5381 mL 5.6727 mL
50 mM 0.0454 mL 0.2269 mL 0.4538 mL 0.9076 mL 1.1345 mL
100 mM 0.0227 mL 0.1135 mL 0.2269 mL 0.4538 mL 0.5673 mL
* Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.
Protocol
Structure Identification:
Chem Biodivers. 2011 Nov;8(11):2080-9.
Secondary metabolites from two species of Pulicaria and their cytotoxic activity.[Pubmed: 22083919]
Two new compounds, the sesquiterpene (1E,5E)-8β-acetoxy-4α-hydroxy-7βH-germacra-1(10),5-dien-14-oic acid (2), and a nor-sesquiterpene, (5E)-8β-acetoxy-4α-hydroxy-7βH-germacr-5-en-10-one (3), were isolated from Pulicaria canariensis ssp. lanata, along with ten known compounds, including the flavonoid 5,3'-dihydroxy-3,7,4'-trimethoxyflavone (4).
METHODS AND RESULTS:
From Pulicaria burchardii, we isolated seven known compounds; the physical and spectroscopic data of the triterpenoid 3β-hydroxytaraxaster-20-en-30-al (30-Oxopseudotaraxasterol,1) are reported. The structures of compounds 1-3 were determined on the basis of HR-MS, and 1D- and 2D-NMR studies. The structure of 2 was corroborated by X-ray crystal diffraction.
CONCLUSIONS:
Cell viability experiments revealed that the semisynthetic flavonoid 4b was the most cytotoxic compound against human leukemia cells, and the cytotoxicity was caused by induction of apoptosis, as determined by microscopy of nuclear changes.
Harzianic acid

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Continentalic acid

Catalog No: CFN90861
CAS No: 19889-23-7
Price: $168/20mg
Chrysin

Catalog No: CFN98741
CAS No: 480-40-0
Price: $40/20mg
Delphinidin-3-O-galactoside chloride

Catalog No: CFN92037
CAS No: 28500-00-7
Price: $238/10mg
Taraxasterol

Catalog No: CFN99074
CAS No: 1059-14-9
Price: $338/20mg
Neoglucobrassicin

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CAS No: 5187-84-8
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Gypenoside L

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