Chemical intermediate

6-((2S,3R,4S,5S,6R)-4,5-Dihydroxy-6-(hydroxymethyl)-3-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)-5-hydroxy-2-(4-hydroxyphenyl)-7-methoxy-4H-chromen-4-one

CasNo:72063-39-9

Molecular Formula:C28H32O15

Specifications:>0.95

6-Chloro-7-methyl-4H-chromen-4-one

CasNo:67029-84-9

Molecular Formula:C10H7ClO2

Specifications:>0.98

6-Fluoro-4H-chromen-4-one

CasNo:105300-38-7

Molecular Formula:C9H5FO2

Specifications:>0.98

3-Bromo-7-methoxy-4H-chromen-4-one

CasNo:73220-41-4

Molecular Formula:C10H7BrO3

Specifications:>0.95

2-(3,4-Dihydroxyphenyl)-5-hydroxy-7-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one

CasNo:5373-11-5

Molecular Formula:C21H20O11

Specifications:>0.98

6-Nitro-4H-chromen-4-one

CasNo:51484-05-0

Molecular Formula:C9H5NO4

Specifications:>0.98

3-Formyl-4-oxo-4H-chromen-7-yl acetate

CasNo:42059-49-4

Molecular Formula:C12H8O5

Specifications:>0.95

5,6,7,8-Tetramethoxy-2-(4-methoxyphenyl)-4H-chromen-4-one

CasNo:481-53-8

Molecular Formula:C20H20O7

Specifications:>0.98

2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one

CasNo:482-36-0

Molecular Formula:C21H20O12

Specifications:>0.97

2-(3,4-Dihydroxyphenyl)-5,7-dimethoxy-4H-chromen-4-one

CasNo:90363-40-9

Molecular Formula:C17H14O6

Specifications:>0.98

8-Amino-2-(1H-tetrazol-5-yl)-4H-chromen-4-one

CasNo:110683-22-2

Molecular Formula:C10H7N5O2

Specifications:>0.97

7-Hydroxy-3-(4-hydroxyphenyl)-4H-chromen-4-one

CasNo:486-66-8

Molecular Formula:C15H10O4

Specifications:>0.98