Bengenin Cas:477-90-7

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Product Description:

Product Name: Bengenin CAS NO: 477-90-7

 

Synonyms:             

Pyrano[3,2-c][2]benzopyran-6(2H)-one,3,4,4a,10b-tetrahydro-3,4,8,10-tetrahydroxy-2-(hydroxymethyl)-9-methoxy-[2R-(2α,3β,4α,4aα,10bβ)]-;

(+)-Bergenin;

α-Resorcylic acid, 4-methoxy-2-[tetrahydro-3,4,5-trihydroxy-6-(hydroxymethyl)pyran-2-yl]-, δ-lactone (7CI);

 

Chemical & Physical Properties:

Appearance: The loose white needle crystal powder or crystalline

Assay :≥99.0%

Density: 1.639 g/cm3

Boiling Point: 658.9℃ at 760 mmHg

Melting Point: 237-240℃(lit.)

Flash Point: 250.7℃

Refractive Index: 1.655

Vapor Pressure: 2.92E-18mmHg at 25℃

 

Safety Information:

Safety Statements: 26-36

WGK Germany: 3

Risk Statements: R36/37/38

Hazard Codes: Xi,Xn

 

Bergenin, alias cuscutin, is trihydroxybenzoic acid glycoside. It is the C-glycoside of 4-O-methyl gallic acid. It possesses an O-demethylated derivative called norbergenin. These are chemical compounds and drugs of Ayurveda, commonly known as Paashaanbhed. It shows a potent immunomodulatory effect.

Bergenin can be isolated from Bergenia species like Bergenia ciliata and Bergenia ligulata, from rhizomes of Bergenia stracheyi. It is also found in the stem bark of Dryobalanops aromatica, in Ardisia elliptica and in Mallotus japonicus.

 

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