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Palmatrubine
Palmatrubine
ChemFaces products have been cited in many studies from excellent and top scientific journals
Product Name Palmatrubine
Price: $218 / 20mg
CAS No.: 16176-68-4
Catalog No.: CFN90505
Molecular Formula: C20H20NO4
Molecular Weight: 338.38 g/mol
Purity: >=98%
Type of Compound: Alkaloids
Physical Desc.: Powder
Source: The herbs of Tinospora sagittata
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Download: COA    MSDS    SDF    Manual
Similar structural: Comparison (Web)  (SDF)
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Size /Price /Stock 10 mM * 1 mL in DMSO / $60.3 / In-stock
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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: Palmatrubine binds to double-stranded DNA most probably via an intercalating mode.
Palmatrubine Description
Source: The herbs of Tinospora sagittata
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)

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 2.9553 mL 14.7763 mL 29.5526 mL 59.1051 mL 73.8814 mL
5 mM 0.5911 mL 2.9553 mL 5.9105 mL 11.821 mL 14.7763 mL
10 mM 0.2955 mL 1.4776 mL 2.9553 mL 5.9105 mL 7.3881 mL
50 mM 0.0591 mL 0.2955 mL 0.5911 mL 1.1821 mL 1.4776 mL
100 mM 0.0296 mL 0.1478 mL 0.2955 mL 0.5911 mL 0.7388 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. 2007 Feb;4(2):145-53.
DNA-binding affinities and sequence specificities of protoberberine alkaloids and their demethylated derivatives: a comparative study.[Pubmed: 17311227]

METHODS AND RESULTS:
Berberrubine (1a), jatrorubine (2a), and Palmatrubine (3a) have been chemically prepared by partial demethylation of berberine (1), jatrorrhizine (2), and palmatine (3), respectively. Their interactions with calf thymus (CT) DNA, poly(dA-dT)poly(dA-dT), poly(dG-dC)poly(dG-dC), and eight AT-rich 12-mer double-stranded DNAs have been investigated by means of competitive ethidium bromide (EB) displacement experiments. The results showed that DNA-binding affinities of these protoberberine alkaloids have been significantly improved by partial demethylation, and that all of these alkaloids have the preferable binding affinities with AT-rich DNA. Especially, the sequence specificities of DNA-binding of demethylated derivatives 1a, 2a, and Palmatrubine had changed to a certain extent when compared with the parent alkaloids 1, 2, and 3, respectively. The binding mode of these alkaloids was further confirmed by UV spectroscopic titration experiments.
CONCLUSIONS:
All the compounds bind to double-stranded DNA most probably via an intercalating mode.
Myrrhone

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L-Nicotine

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CAS No: 54-11-5
Price: $40/20mg
Eugenol

Catalog No: CFN99175
CAS No: 97-53-0
Price: $30/20mg
Coumestrol

Catalog No: CFN96040
CAS No: 479-13-0
Price: $178/10mg
Nicotiflorin

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CAS No: 17650-84-9
Price: $80/20mg
Geissoschizine methyl ether

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CAS No: 60314-89-8
Price: $268/10mg
Kaempferol 3,7-di-O-glucoside

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CAS No: 25615-14-9
Price: $288/5mg
Acetylshikonin

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CAS No: 24502-78-1
Price: $138/20mg
Ganoderenic acid A

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CAS No: 100665-40-5
Price: $318/10mg
Erigoster B

Catalog No: CFN93294
CAS No: 849777-61-3
Price: $ / mg
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