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2,3,4-tri-O-methyl-L-rhamnose is a naturally occurring methylated sugar derivative, specifically a methylated form of L-rhamnose, a deoxy sugar found in various plant gums, pectins, and other plant materials. 2,3,4-tri-O-methyl-L-rhamnose is characterized by the presence of three methoxy groups attached to the 2nd, 3rd, and 4th carbon atoms of the L-rhamnose molecule. It plays a significant role in the field of organic chemistry, particularly in the synthesis of complex carbohydrates and glycoconjugates, which are essential components of various biological systems. The methylation of L-rhamnose enhances its stability and solubility, making it a valuable compound for research and potential applications in pharmaceuticals and biotechnology.

7439-05-6

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7439-05-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7439-05-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,4,3 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 7439-05:
(6*7)+(5*4)+(4*3)+(3*9)+(2*0)+(1*5)=106
106 % 10 = 6
So 7439-05-6 is a valid CAS Registry Number.

7439-05-6Upstream product

7439-05-6Downstream Products

7439-05-6Relevant articles and documents

Antibacterial Activity of a New Flavone Glycoside from the Stems of Holmskioldia sanguinea Retz.

Yadava,Raghuvansi, Jyotsna

, p. 1815 - 1818 (2019/07/18)

A new flavone glycoside was isolated from ethanolic extract of stem parts of Holmskioldia sanguinea Retz. Its structure was characterized as 3,4′-dihydroxy-5,7-dimethoxyflavone-3-O-β-D-galactopyranosyl(1→4)-O-β-D-arabinopyranosyl-4′-O-α-L-rhamnopyranoside (1) by colour reactions, chemical degradation and spectroscopic analysis. Antibacterial activity of compound 1 was evaluated against various Gram positive and Gram negative bacteria showing a significant effects.

New constituent from Argemone mexicana Linn.

Yadava, Raj N.,Sharma, Jay D.,Yadav, Anurekha

, p. 472 - 474 (2014/06/09)

The present paper reports the isolation and structure elucidation of a new compound A identified as 5,7,4′-trihydroxy-8-methoxy flavanone-4′- α-L-rhamno-pyranosyl-7-O-β-D-xylopyranosyl-(1→3) -O-β-D-galactopyranoside along with two known compounds B and C identified as chrysoeriol and tricin, respectively from the methanolic extract of the defatted seeds of the plant by various colour reactions, chemical degradation and spectral analysis.

Isolation and characterization of a new allelochemical from seeds of Adenanthera pavonina linn

Yadava,Vishwakarma, Umesh Kumar

, p. 4902 - 4904 (2013/07/28)

A new allelochemical (1), m.p. 282-284 °C, m.f. C31H 36O19, [M]+ 712 (FABMS), has been isolated from methanolic extract of the seeds of Adenanthera pavonina Linn. alongwith two known compounds 2',4',7-trihydroxy isoflavone and isovitexin. The structure of a new compound was characterized as 3,5,7,3',4'-pentahydroxy flavone-3'-O-α-L- rhamnopyranosyl-(1→4)-O-α-L-arabinopyranosyl-(1→3)- O-b-D- xylopyranoside, by various colour reactions, spectral analysis and chemical degradations.

New biologically active allelochemical from seeds of cassia absus linn

Yadava,Vishwakarma, Umesh Kumar

, p. 953 - 957 (2013/08/15)

A new bioactive allelochemical 1, m.p. 235-36°C, m.f. C 34H42O20, [M]+ 770 (FABMS), has been isolated from methanolic extract of the seeds of Cassia absus Linn, alongwith two known compounds 3, 5, 7, 4-tetrahydroxy-2 5'-dimethoxy flavone and Luteolin. The structure of a new compound has been characterized as 5, 7, 4-trihydroxy-8,3'-dimethoxyflavone-5-O-a- L-rhamnopyranosyl-7-O-β-D- xylopyranosyl-( I -4)O-β-D-galacto- pyranoside by various colour reactions, spectral analysis and chemical degradations. All the secondary plant metabolites are called allelochemicals.

Structural characterization and protective effect against murine sepsis of fucogalactans from Agaricus bisporus and Lactarius rufus

Ruthes, Andrea C.,Rattmann, Yanna D.,Carbonero, Elaine R.,Gorin, Philip A.J.,Iacomini, Marcello

experimental part, p. 1620 - 1627 (2012/04/11)

Fucogalactans from edible Agaricus bisporus (RFP-Ab) and wild Lactarius rufus (RFP-Lr) mushrooms were obtained on aqueous extraction followed by purification. RFP-Ab had Mw 43.8 × 104 g mol -1 and RFP-Lr Mw 1.4

Chemical examination of juice of Citrus sinensis variety Jaffa

Vedwati, Meera,Kalidhar

body text, p. 749 - 750 (2011/08/09)

Phytochemical examination of Citrus sinensis juice var. Jaffa resulted in the isolation of 5,7-dihydroxy-3′,4′-dimethoxyflavanone 7-O-rhamnosyl(1→2)glucoside which is a hitherto unreported compound.

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