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4H-1-Benzopyran-4-one,3-[(6-deoxy-a-L-mannopyranosyl)oxy]-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-,(2R,3R)- (29838-67-3)

Identification
Name:4H-1-Benzopyran-4-one,3-[(6-deoxy-a-L-mannopyranosyl)oxy]-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-,(2R,3R)-
Synonyms:4H-1-Benzopyran-4-one,3-[(6-deoxy-a-L-mannopyranosyl)oxy]-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-,(2R-trans)-;Astilbin (6CI,7CI,8CI);Taxifolin 3-O-rhamnoside;Taxifolin3-rhamnoside;
CAS:29838-67-3
Molecular Formula: C21H22O11
Molecular Weight: 450.392780
InChI: InChI=1/C21H22O11/c1-7-15(26)17(28)18(29)21(30-7)32-20-16(27)14-12(25)5-9(22)6-13(14)31-19(20)8-2-3-10(23)11(24)4-8/h2-7,15,17-26,28-29H,1H3/t7-,15-,17+,18+,19+,20-,21-/m0/s1
Molecular Structure: (C21H22O11) 4H-1-Benzopyran-4-one,3-[(6-deoxy-a-L-mannopyranosyl)oxy]-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-di...
Properties
Flash Point: 282.9 ºC
Boiling Point: 801.1 ºC at 760 mmHg
Density:1.74 g/cm3
Refractive index:1.748
Appearance:White powder
Specification:

  4H-1-Benzopyran-4-one,3-[(6-deoxy-a-L-mannopyranosyl)oxy]-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-,(2R,3R)- , its cas register number is 29838-67-3. It also can be called (2R-trans)-3-((6-Deoxy-alpha-L-mannopyranosyl)oxy)-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-4H-1-benzopyran-4-one ; Isoastilbin ; Neoisoastilbin ; Astilbin .

Flash Point: 282.9 ºC
Safety Data
 

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