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Robtin
Robtin
ChemFaces products have been cited in many studies from excellent and top scientific journals
Product Name Robtin
Price:
CAS No.: 4382-34-7
Catalog No.: CFN98672
Molecular Formula: C15H12O6
Molecular Weight: 288.3 g/mol
Purity: >=98%
Type of Compound: Flavonoids
Physical Desc.: Powder
Source: The seeds of Cassia tora
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 Libraries
Biological Activity
Description: Reference standards.
Robtin Description
Source: The seeds of Cassia tora
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 3.4686 mL 17.343 mL 34.6861 mL 69.3722 mL 86.7152 mL
5 mM 0.6937 mL 3.4686 mL 6.9372 mL 13.8744 mL 17.343 mL
10 mM 0.3469 mL 1.7343 mL 3.4686 mL 6.9372 mL 8.6715 mL
50 mM 0.0694 mL 0.3469 mL 0.6937 mL 1.3874 mL 1.7343 mL
100 mM 0.0347 mL 0.1734 mL 0.3469 mL 0.6937 mL 0.8672 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:
Journal of the Korean Wood Science and Technology,2000,28(3):52-61.
Extractives of the Wood of Black Locust and the Bark of Poplar as Decay-Resistant Hardwood Tree Species.[Reference: WebLink]

METHODS AND RESULTS:
Black locust(Robinia pseudoacacia) and poplar(Populus alba glandulosa) trees were collected, extracted with acetone-(7:3, v/v) after drying, fractionated with hexane, chloroform and ethylacetate, and freeze dried to get some brown powder. Each fraction of the powder was chromatographed on a Sephadex LH-20 column using a series of aqueous methanol and ethanol-hexane mixture as eluting solvents.
CONCLUSIONS:
The wood extractives of black locust contained (+)-leucorobinetinidin as flavan, Robtin as flavanone and dihydrorobinetin as flavanonol, and robinetin as flavonol. The poplar bark extractives contained various kinds of phenolic compounds : (+)-catechin as flavan, naringeoin, eriodictyol, sakuranetin, aromadendrin and taxifolin as flavanonol, salireposide as salicin derivative, and minor compounds such as aesculin and p-coumaric acid. However, aesculin has not been reported as a constituent of the poplar bark in Korea yet. NMR and FAB-MS analyses were done to elucidate the structures of isolated phenolic constituents.
Procyanidin A2

Catalog No: CFN96491
CAS No: 41743-41-3
Price: $238/10mg
Senkyunolide A

Catalog No: CFN99594
CAS No: 62006-39-7
Price: $90/20mg
Citropten

Catalog No: CFN97963
CAS No: 487-06-9
Price: $60/20mg
Ginsenoside Rf

Catalog No: CFN99976
CAS No: 52286-58-5
Price: $188/20mg
Trans-Ferulic acid

Catalog No: CFN92394
CAS No: 537-98-4
Price: $30/20mg
Chebulinic acid

Catalog No: CFN92296
CAS No: 18942-26-2
Price: $138/20mg
Kukoamine A

Catalog No: CFN93215
CAS No: 75288-96-9
Price: $ / mg
3-Isomangostin

Catalog No: CFN99724
CAS No: 19275-46-8
Price: $168/10mg
Gentisic acid

Catalog No: CFN92451
CAS No: 490-79-9
Price: $40/20mg
Isocorynoxeine

Catalog No: CFN98155
CAS No: 51014-29-0
Price: $128/20mg
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