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Totaradiol
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Product Name Totaradiol
Price:
CAS No.: 3772-56-3
Catalog No.: CFN98610
Molecular Formula: C20H30O2
Molecular Weight: 302.5 g/mol
Purity: >=98%
Type of Compound: Diterpenoids
Physical Desc.: Powder
Source: The heartwoods of Sabina pingii var. wilsonii
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Download: COA    MSDS    SDF    Manual
Similar structural: Comparison (Web)  (SDF)
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According to end customer requirements, ChemFaces provide solvent format. This solvent format of product intended use: Signaling Inhibitors, Biological activities or Pharmacological activities.
Size /Price /Stock 10 mM * 1 mL in DMSO / Inquiry
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Related Screening Libraries
Size /Price /Stock 10 mM * 100 uL in DMSO / Inquiry / In-stock
10 mM * 1 mL in DMSO / Inquiry / In-stock
Related Libraries
Biological Activity
Description: Totaradiol shows antioxidant activity, it can inhibit linoleic acid autoxidation but not generation of superoxide anion. Totaradiol exhibits cytotoxic activity against the A2780 ovarian cancer cell line.
Targets: NADPH-oxidase
In vitro:
Planta Med. 1997 Jun;63(3):213-5.
Antioxidative action of diterpenoids from Podocarpus nagi.[Pubmed: 9225601]

METHODS AND RESULTS:
Diterpenoids, totarol (1), Totaradiol (2), 19-hydroxytotarol (3), totaral (4), 4 beta-carboxy-19-nortotarol (5), sugiol (6), isolated from Podocarpus nagi, were evaluated as antioxidants. Microsomal lipid peroxidation induced by Fe(III)-ADP/NADPH and mitochondrial lipid peroxidation induced by Fe(III)-ADP/ NADH were inhibited by these terpenoids. They inhibited linoleic acid autoxidation but not generation of superoxide anion. Totarol (1) protected mitochondrial respiratory enzyme activities against NADPH induced oxidative injury.
CONCLUSIONS:
Totarane diterpenes from P. nagi were shown to be effective to protect biological systems and function against various oxidative stresses.
Nat.Prod.Res.,2006, 20(6): 606-10.
Cytotoxic diterpenoids from Podocarpus madagascariensis from the Madagascar rainforest.[Pubmed: 16835095]

METHODS AND RESULTS:
Bioassay-directed fractionation of an extract of the root and bark of Podocarpus madagascariensis resulted in the isolation of a new totarol diterpenoid (1) in addition to the three known cytotoxic diterpenoids 19-hydroxytotarol (2), Totaradiol (3), and 4beta-carboxy-19-nor-totarol (4). The structure of the new compound 1 was established as methyl-13-hydroxy-14-isopropyl-9(11),12,14(8)-podocarpatriene-19-oate on the basis of 1D and 2D NMR spectroscopic interpretation and methylation of 4.
CONCLUSIONS:
All the compounds exhibited cytotoxic activity against the A2780 ovarian cancer cell line.
Totaradiol Description
Source: The heartwoods of Sabina pingii var. wilsonii
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.

Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

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)

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Calculate Dilution Ratios(Only for Reference)
1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 3.3058 mL 16.5289 mL 33.0579 mL 66.1157 mL 82.6446 mL
5 mM 0.6612 mL 3.3058 mL 6.6116 mL 13.2231 mL 16.5289 mL
10 mM 0.3306 mL 1.6529 mL 3.3058 mL 6.6116 mL 8.2645 mL
50 mM 0.0661 mL 0.3306 mL 0.6612 mL 1.3223 mL 1.6529 mL
100 mM 0.0331 mL 0.1653 mL 0.3306 mL 0.6612 mL 0.8264 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:
Angew Chem Int Ed Engl. 2015 Mar 2;54(10):3033-7.
Enantioselective palladium-catalyzed dearomative cyclization for the efficient synthesis of terpenes and steroids.[Pubmed: 25631391]

METHODS AND RESULTS:
A novel enantioselective palladium-catalyzed dearomative cyclization has been developed for the efficient construction of a series of chiral phenanthrenone derivatives bearing an all-carbon quaternary center.
CONCLUSIONS:
The effectiveness of this method in the synthesis of terpenes and steroids was demonstrated by a highly efficient synthesis of a kaurene intermediate, the facile construction of the skeleton of the anabolic steroid boldenone, and the enantioselective total synthesis of the antimicrobial diterpene natural product (-)-Totaradiol.
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