A - B - C - D - E - F - G - H - I - K - L - M - N -O - P - Q - R - S - T - V

 

 


021030

 

 

Quercetagetin  [90-18-6]

C15H10O8

MW 318.23

mp >300oC

Merck Index 12,8215

 

 

 

 

Quercetin-3-arabinoglucoside:  see 020061  Peltatoside

 

P-102

 

Quercetin dihydrate   [6151-25-3]

(3,5,7,3',4'-Pentahydroxyflavone dihydrate)

C15H10O7.2H2O

MW 338.29

mp ~315-318oC (dec)

Yellow powder

Merck Index 12, 8216

 

 

 

021135S

 

Quercetin with HPLC  [117-39-5]

 

 

 

Quercetin-3-galactoside:  see  021027S  Hyperoside

 

Quercetin-3-glucoside:  see  020062  Isoquercitrin

 

021099

 

Quercetin-3-O-β-D-glucopyranosyl-6"-acetate

[1245-14-4]

C23H22O13

MW 506.41

Yellow powder

Soluble in water:ethanol:methylketone:

ethyl acetate:acetyl acetone

(26:9:3:3:1)

 

 

 

 

 

Quercetin 4'-methyl ether:  see  021140S  Tamarixetin with HPLC

 

021285

 

Quercetin-3,5,7,3',4'-pentamethyl ether

[1247-97-8]

(3,5,7,3',4'-Pentamethoxyflavone)

C20H20O7

MW 372.36

mp 152-156oC

 

 

 

 

 

Quercetin-3-rhamnoside:  see  021031  Quercitrin

 

 


021242

 

Quercetin-3-O-sulfate potassium salt  [6089-05-6]

C15H9O10SK

MW 420.38

 

 

 

 

Quercetin tetramethyl ether:

see  H-115  5-Hydroxy-3,7,3',4'-tetramethoxyflavone

 

021074

 

Quercetin-3,7,3',4'-tetramethyl ether   [1245-15-4]

(Retusin)

C19H18O7

MW 358.35

Yellow powder

Soluble in toluene:ethyl formiate:formic acid (5:4:1)

021031

 

Quercitrin  [522-12-3]

(Quercetin-3-O-rhamnoside)

C21H20O11

MW 448.38

mp 174-183oC

Yellowish powder with brown cast

Merck Index 12, 8219

 

 

021236S

 

Quercitrin with HPLC   [522-12-3]

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Resokaempferol:  see  T-251  3,7,4'-Trihydroxyflavone

 

Retusin:   see  021074  Quercitin-3,7,3',4'-tetramethyl ether

 

Rhamnetin:  see  R-101  3,5,3',4'-Tetrahydroxy-7-methoxyflavone

 

020079

 

Rhoifolin  [17306-46-6]

(Apigenin-7-neohesperidoside;

Apigenin-7-rhamnoglucoside)

C27H30O14

MW 578.53

mp ~245oC

Yellow powder

Soluble in toluene:methyl ethyl ketone:methanol (4:3:3)

 

 

021137S

 

Rhoifolin with HPLC  [17306-46-6]

MW 578.53

 

 

 

Robinetin:  see  P-103  7,3,3',4',5'-Pentahydroxyflavone

 

Robinetin trimethyl ether:

see  D-124  3,7-Dihydroxy-3',4',5'-trimethoxyflavone

 

 


021032

 

Robinin  [301-19-9]

(Kaempferol-3-O-robinoside-7-O-rhamnoside)

C33H40O19

MW 740.65

mp 194-195oC

Merck Index 12, 8404

 

020080

 

Rutin trihydrate  [153-18-4]

C27H30O16.3H2O

MW 664.58

mp 188-190oC

Yellow powder

Soluble in ethyl acetate:formic acid:acetic acid (100:11:11)

Merck Index 12,8456

 

 

021139S

 

Rutin with HPLC  [153-18-4]

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021238S

 

Saponarin with HPLC  [20310-89-8]

C27H30O16

MW 610.53

mp 228oC (dec)

Merck Index 12, 8512

 

 

 

Sciadopitysin:  see  021021  Amentoflavone-7,4,4'-trimethyl ether

 

Scutellarein:  see  021165  6-Hydroxyapigenin

 

021278

 

Scutellarein tetramethyl ether  [1168-42-9]

(5,6,7,4'-tetramethoxyflavone)

C19H18O6

MW 342.33

mp 142-143oC

 

 

 

Sinensetin:  see  P-201  5,6,7,3',4'-Pentamethoxyflavone

 

021201

 

Spiraeoside  [20229-56-5]

C21H20O12

MW 464.37

 

 

 

020088S

 

Sulfuretin with HPLC  [120-05-8]

(6,3',4'-Trihydroxyaurone)

C15H10O5

MW 270.25

mp 295oC

Merck Index 12, 9145

Soluble in toluene:methanol (50:25)

 

 

 

Syringetin: see  S-105  3’,5’-Dimethoxy-3,5,7,4'-tetrahydroxyflavone

 

021246S

 

Syringetin-3-O-galactoside with HPLC

[55025-56-4]

C23H24O13

MW 508.43

mp 248oC

 

 

021245S

 

Syringetin-3-O-glucoside with HPLC

[40039-49-4]

C23H24O13

MW 508.43

mp 250oC  (dec)

 

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021140S

 

Tamarixetin with HPLC  [603-61-2]

(Quercetin-4'-methylether;

 4'-Methoxy-3,5,7,3'-tetrahydroflavone)

C16H12O7

MW 316.27

mp 265-268oC

 

 

 

 

Tectochrysin:  see  H-110  5-Hydroxy-7-methoxyflavone

 

22-318

 

 

 

3,6,2’,3’-Tetrahydroxyflavone, 97%

C15H10O6

MW 286.25

mp 269-270oC (dec)

Yellow crystals

Soluble in methanol

 

 

22-205

 

 

 

3,6,2',4'-Tetrahydroxyflavone

C15H10O6

MW 286.25

mp 284-285oC

Yellow crystals

Soluble in benzene:ethylacetate:acetic acid (8:2:1)

 

 

22-344

 

 

3,6,3’,4’-Tetrahydroxyflavone, 97%

C15H10O6

MW 286.25

mp 335-336oC

Yellow crystals

Soluble in hot aqueous methanol

 

 

 

3,7,3',4'-Tetrahydroxyflavone:  see  F-002  Fisetin

 

3,5,7,4'-Tetrahydroxyflavone:  see  K-102 Kaempferol

 

5,7,3',4'-Tetrahydroxyflavone:  see  L-101  Luteolin

 

22-341

 

 

7,3’,4’,5’-Tetrahydroxyflavone, 97%

C15H10O6

MW 286.25

mp 336-338oC

Yellow crystals

Soluble in methanol

 

 

T-201

 

7,8,3',4'-Tetrahydroxyflavone  [3440-24-2]

C15H10O6

MW 286.25

mp ~320oC (dec)

Yellow needles

 

R-101

 

3,5,3',4'-Tetrahydroxy-7-methoxyflavone   [90-19-7]

(Rhamnetin)

C16H12O7

MW 316.27

mp 293-296oC   (dec)

Yellow powder

Merck Index 12, 8337

 

 

 

021136S

 

3,5,3',4'-Tetrahydroxy-7-methoxyflavone with HPLC [90-19-7]

(Rhamnetin with HPLC)

 

 

 

5,6,7,4'-Tetramethoxyflavone:

see  021278  Scutellarein tetramethyl ether

 

22-319

 

 

 

3,6,2’,3’-Tetramethoxyflavone, 97%

C19H18O6

MW 342.35

mp 132-133oC

White crystals

Soluble in methanol

 

 

22-309

 

 

 

3,6,3’,4’-Tetramethoxyflavone

C19H18O6

MW  342.35

mp 165-167oC

White crystals

Soluble in acetone or methanol

 

 

 


L-102

 

5,7,3',4'-Tetramethoxyflavone  [855-97-0]

(Luteolin tetramethyl ether)

C19H18O6

MW 342.35

mp 193-195oC

White crystals

Soluble in acetone or methanol

 

22-320

 

 

 

7,3’,4’,5’-Tetramethoxyflavone, 97%

C19H18O6

MW 342.35

mp 190-191oC

Off white crystals

Soluble in methanol

 

T-202

 

7,8,3',4'-Tetramethoxyflavone   [65548-55-2]

C19H18O6

MW 342.35

mp 205-207oC

 

 

021001S

 

Tiliroside with HPLC   [20316-62-5]

C30H26O13

MW 594.53

mp 257-260oC

Yellow powder

 

19-208

 

 

 

6,8,2’-Trichloroflavone

C15H7Cl3O2

MW  325.59

mp 192.8-193.9oC

White fluffy powder

Soluble in chloroform

 

17-156

 

6,8,4’-Trichloroflavone

C15H7Cl3O2

MW 611.95

mp 253-257oC

White fluffy solid

Soluble in chloroform

 

 

 

6,3',4'-Trihydroxyaurone:  see  020088S  Sulfuretin with HPLC

 

5,7,3'-Trihydroxy-3,4'-dimethoxyflavone:

see  T-110  3,4'-Dimethoxy-5,7,3'-trihydroxyflavone

 

3,5,7-Trihydroxyflavone:  see  020067  Galangin

 

5,6,7-Trihydroxyflavone: see  B-101  Baicalein

 

 


T-601

 

3,3',4'-Trihydroxyflavone

(3',4'-Dihydroxyflavonol)

C15H10O5

MW 270.24

 

 

22-334

 

 

3,6,3'-Trihydroxyflavone, 97%

C15H10O5

MW 270.24

mp 300oC

Yellow crystals

Soluble in acetone

 

T-405

 

3,6,4'-Trihydroxyflavone

C15H10O5

MW 270.24

mp 338-340oC

Greenish yellow crystals

Soluble in organic solvents

 

22-327

 

 

 

3,7,3’-Trihydroxyflavone, 97%

C15H10O5

MW 270.24

mp 298-300oC

Yellow crystals

Soluble in methanol

 

T-251

 

3,7,4'-Trihydroxyflavone   [2034-65-3]

(5-Deoxykaempferol; Resokaempferol)

C15H10O5

MW 270.24

mp 310-311oC

Yellow crystals

Soluble in methanol

 

 

T-406

 

5,3',4'-Trihydroxyflavone   [19852-25-6]

C15H10O5

MW 270.24

Dark yellow crystals

 

 

T-407

 

5,7,2'-Trihydroxyflavone   [73046-40-9]

C15H10O5

MW 270.24

 

 

 

 

 

5,7,4'-Trihydroxyflavone:  see  A-002  Apigenin

 

 


021225

 

5,7,8-Trihydroxyflavone   [4443-09-8]

C15H10O5

MW 270.24

Powder

Soluble in toluene:acetone:ethyl formiate (5:4:1)

 

 

22-324

 

 

6,2’,3’-Trihydroxyflavone, 97%

C15H10O5

MW 270.24

mp 278-280oC

Yellow crystals

Soluble in methanol

 

 

T-408

 

6,3',4'-Trihydroxyflavone

C15H10O5

MW 270.24

mp 326-328oC

Yellow crystals

Soluble in methanol

 

 

22-336

 

 

6,7,3’-Trihydroxyflavone, 97%

C15H10O5

MW 270.24

mp 305-307oC

Yellow crystals

 

 

T-414

 

7,3',4'-Trihydroxyflavone  [2150-11-0]

C15H10O5

MW 270.24

mp 326-327oC

Yellow crystalline material

 

 

T-410

 

7,8,2'-Trihydroxyflavone

C15H10O5

MW 270.24

mp 298-299oC

Light brown crystals

Sparingly soluble in organic solvents

 

T-411

 

7,8,3'-Trihydroxyflavone

C15H10O5

MW 270.24

mp 309-311oC

Yellow crystals

Soluble in methanol

 

 


T-412

 

7,8,4'-Trihydroxyflavone

C15H10O5

MW 270.24

mp 310-312oC

Yellow crystals

Soluble in methanol

 

 

 

 

3,5,7-Trihydroxy-4'-methoxyflavone: see K-101  Kaempferide

 

M-116

 

3,5,7-Trihydroxy-3',4',5'-trimethoxyflavone

(Myricetin trimethyl ether)  [146132-95-8]

C18H16O8

MW 360.32

mp 288-291oC   (dec)

 

 

22-335

 

 

3,6,3’-Trimethoxyflavone, 97%

C18H16O5

MW 312.32

mp 118-120oC

White crystals

Soluble in acetone

 

 

22-328

 

 

3,7,3’-Trimethoxyflavone, 97%

C18H16O5

MW 312.32

mp 122-123oC

White needles

Soluble in acetone

 

 

 

 

5,6,7-Trimethoxyflavone:  see  B-251  Baicalein trimethyl ether

 

A-106

 

5,7,4'-Trimethoxyflavone  [5631-70-9]

(Apigenin trimethyl ether)

C18H16O5

MW 312.32

mp 158-160oC (dec)

 

 

22-323

 

 

6,2’,3’-Trimethoxyflavone, 97%

C18H16O5

MW 312.32

mp 116-118oC

White crystals

Soluble in methanol

 

 

 


22-322

 

 

6,2’,4’-Trimethoxyflavone, 97%

C18H16O5

MW 312.32

mp 189-191oC

Yellow crystals

Soluble in methanol

 

22-329

 

 

7,2’,3’-Trimethoxyflavone, 97%

C18H16O5

MW 312 32

mp 107-108oC

Off - white crystals

Soluble in methanol or acetone

 

22-330

 

 

7,2’,4’-Trimethoxyflavone, 97%

C18H16O5

MW 312 32

mp 136-138oC

Pale yellow crystals

Soluble in methanol or acetone

 

 

T-204

 

7,3',4'-Trimethoxyflavone  [22395-24-0]

C18H16O5

MW 312.32

mp 179-181oC

 

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021232S

 

Vitexin with HPLC  [3681-93-4]

(Apigenin-8-C-glucoside)

C21H20O10

MW 432.38

mp 256-257oC

Yellow powder

Soluble in ethyl acetate:formic acid (50:7)

 

021006

 

Vitexin-2"-O-rhamnoside  [64820-99-1]

(Apigenin-8-C-glucoside-2'-rhamnoside)

C27H30O14

MW 578.51

mp 215oC

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