Product Name

  • Name

    Isorhamnetin

  • EINECS 207-545-5
  • CAS No. 480-19-3
  • Article Data68
  • CAS DataBase
  • Density 1.634 g/cm3
  • Solubility
  • Melting Point 307 °C
  • Formula C16H12O7
  • Boiling Point 599.429 °C at 760 mmHg
  • Molecular Weight 316.267
  • Flash Point 227.827 °C
  • Transport Information
  • Appearance powder
  • Safety 22-36-26
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 480-19-3 (Isorhamnetin)
  • Hazard Symbols IrritantXi
  • Synonyms 3-Methoxy-3,4,5,7-tetrahydroxyflavone;3,5,7-trihydroxy-2-(4-hydroxy-3-methoxy-phenyl)chromen-4-one;4H-1-Benzopyran-4-one,3,5,7-trihydroxy-2- (4-hydroxy-3-methoxyphenyl)-;3-Methoxyquercetin;3-Methylquercetine;4H-1-Benzopyran-4-one, 3,5,7-trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-;4H-1-Benzopyran-4-one, 2-(3-methoxy-4-hydroxyphenyl)-3,5,7-trihydroxy-;3,5,7-Trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-4-benzopyrone;Flavone, 3-methoxy-3,4,5,7-tetrahydroxy-;C.I. 75680;4H-1-Benzopyran-4-one, 3,5,7-trihydroxy-2-(4-hydroxy-3-methoxyphenyl)- (9CI);3-Methylquercetin;Flavonoid;3,5,7-Trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-4H-1-benzopyran-4-one;
  • PSA 120.36000
  • LogP 2.29100

Synthetic route

4.2'.4'.6'-tetrahydroxy-3-methoxy-trans-chalcone
25515-47-3

4.2'.4'.6'-tetrahydroxy-3-methoxy-trans-chalcone

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
With potassium hydrogensulfate; sodium hydrogencarbonate; sodium carbonate In dichloromethane; water; acetone at 20℃; for 42h; pH=9;96.7%
3,7-bis(benzyloxy)-2-(4-(benzyloxy)-3-methoxyphenyl)-5-hydroxy-4H-chromen-4-one

3,7-bis(benzyloxy)-2-(4-(benzyloxy)-3-methoxyphenyl)-5-hydroxy-4H-chromen-4-one

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen In ethyl acetate at 20℃; for 4h;92%
With palladium 10% on activated carbon; hydrogen In tetrahydrofuran; ethanol at 25℃; for 8h;90%
With palladium 10% on activated carbon; hydrogen In ethanol at 25℃;90%
With hydrogen; palladium dihydroxide In tetrahydrofuran; ethanol for 6h;85%
7-(benzyloxy)-2-(4-(benzyloxy)-3-methoxyphenyl)- 3,5-dihydroxy-4H-chromen-4-one
78386-02-4

7-(benzyloxy)-2-(4-(benzyloxy)-3-methoxyphenyl)- 3,5-dihydroxy-4H-chromen-4-one

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
With 20% palladium hydroxide-activated charcoal In ethanol; cyclohexene for 1h; Inert atmosphere; Reflux;92%
With 10% palladium on activated carbon; hydrogen In ethanol at 20℃; for 5h;90%
isorhamnetin-3-O-glucoside
6743-92-6, 50306-07-5, 5041-82-7

isorhamnetin-3-O-glucoside

A

D-Glucose
2280-44-6

D-Glucose

B

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
With hydrogen cationA n/a
B 63%
With acid hydrolysis
2,3-dihydroisorhamnetin

2,3-dihydroisorhamnetin

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
With potassium pyrosulfite In ethanol at 100℃; for 5h;55%
Conditions
ConditionsYield
With sulfuric acid; water In ethanolA n/a
B n/a
C 42%
With hydrogenchloride In water at 100℃;
With hydrogenchloride; water at 100℃; for 2h;
2'-hydroxy-4',6'-bis(methoxymethoxy)acetophenone
65490-09-7

2'-hydroxy-4',6'-bis(methoxymethoxy)acetophenone

vanillin
121-33-5

vanillin

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
Stage #1: 2'-hydroxy-4',6'-bis(methoxymethoxy)acetophenone; vanillin With pyrrolidine; oxygen In water under 760.051 Torr;
Stage #2: With hydrogenchloride In methanol; water
41%
Conditions
ConditionsYield
With sodium azide; T133M and Y326R mutant of isoeugenol phenylpropanoid O-methyltransferase from Clarkia breweri In aq. buffer at 30℃; for 240h; pH=7.5; Reagent/catalyst; Enzymatic reaction; regioselective reaction;6.8%
With DL-dithiothreitol; recombinant Plagiochasma appendiculatum flavone 6-O-methyltransferase; magnesium chloride In aq. buffer at 37℃; for 0.5h; pH=7.5; Enzymatic reaction;
With Citrus reticulata O-methyltransferase gene-pET32a recombinant In aq. buffer at 37℃; for 2h; pH=8; Kinetics; Enzymatic reaction;
2-benzoyloxy-1-(2,4,6-trihydroxy-phenyl)-ethanone
65982-77-6

2-benzoyloxy-1-(2,4,6-trihydroxy-phenyl)-ethanone

4-acetoxy-3-methoxy-benzoic acid-anhydride

4-acetoxy-3-methoxy-benzoic acid-anhydride

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
With triethylamine at 160℃; Erwaermen des Reaktionsprodukts mit wss.-aethanol. Kalilauge;
3,5,7,4′-tetrahydroxy-8,3′-dimethoxyflavone-3-O-β-D-glucopyranoside
103839-19-6, 38836-51-0

3,5,7,4′-tetrahydroxy-8,3′-dimethoxyflavone-3-O-β-D-glucopyranoside

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
With hydrogen cation In water
Quercetin-7-O-monoglucoside
6743-96-0, 128331-43-1

Quercetin-7-O-monoglucoside

A

D-Glucose
2280-44-6

D-Glucose

B

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
With hydrogenchloride for 4h;
quercetol
117-39-5

quercetol

A

2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-3-methoxy-chromen-4-on
1486-70-0

2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-3-methoxy-chromen-4-on

B

tamarixetin
603-61-2

tamarixetin

C

5-O-methylquercetin
529-51-1

5-O-methylquercetin

D

isorhamnetin
480-19-3

isorhamnetin

E

rhamnetin
90-19-7

rhamnetin

Conditions
ConditionsYield
With O-methyl transferase from cell-free extract of Citrus mitis; <(14)CH3>-S-adenosyl-L-methionine; 2-hydroxyethanethiol In water; dimethyl sulfoxide at 35℃; for 0.5h; Product distribution; pH 7.5 buffer;
quercetin 3'-O-methyl ether 3-O-α-L-rhamnopyranosyl-(1'''→6")-β-D-galactopyranoside
604-80-8, 3520-85-2, 24905-37-1, 53584-69-3, 62249-59-6, 145264-20-6, 107740-46-5

quercetin 3'-O-methyl ether 3-O-α-L-rhamnopyranosyl-(1'''→6")-β-D-galactopyranoside

A

D-Galactose
10257-28-0

D-Galactose

B

L-rhamnose
73-34-7

L-rhamnose

C

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
With oxonium Product distribution;
3-<6-O-(6-deoxy-α-L-mannopyranosyl)-β-D-glucopyranosyl>oxy-5-hydroxy-7-<β-L-mannopyranosyl>oxy-2-(4-hydroxy-3-methoxyphenyl)-4H-1-benzo-pyran-4-one
107603-09-8, 119945-81-2, 142784-28-9

3-<6-O-(6-deoxy-α-L-mannopyranosyl)-β-D-glucopyranosyl>oxy-5-hydroxy-7-<β-L-mannopyranosyl>oxy-2-(4-hydroxy-3-methoxyphenyl)-4H-1-benzo-pyran-4-one

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
With sulfuric acid at 90℃; for 0.5h;11 mg
isorhamnetin 3-O-rutinoside-4'-O-rhamnoside

isorhamnetin 3-O-rutinoside-4'-O-rhamnoside

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
With hydrogenchloride In methanol
2-benzoyloxy-1-(2,4,6-trihydroxy-phenyl)-ethanone
65982-77-6

2-benzoyloxy-1-(2,4,6-trihydroxy-phenyl)-ethanone

anhydride of/the/ O-benzoyl-vanillic acid

anhydride of/the/ O-benzoyl-vanillic acid

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
With sodium-<4-benzoyloxy-3-methoxy benzoate> at 180 - 185℃; Kochen des Reaktionsprodukts mit waessrig-alkoholischer Kalilauge;
persicarin

persicarin

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
With hydrogenchloride
isorhamnetin 3-O-(6''-E-p-coumaroyl-β-D-glucopyranoside)-7-O-β-D-glucopyranoside

isorhamnetin 3-O-(6''-E-p-coumaroyl-β-D-glucopyranoside)-7-O-β-D-glucopyranoside

A

p-Coumaric Acid
7400-08-0

p-Coumaric Acid

B

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
With hydrogenchloride at 100℃; for 1h;
isorhamnetin 3,7-O-di-β-D-glucopyranoside
6758-51-6

isorhamnetin 3,7-O-di-β-D-glucopyranoside

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
With sulfuric acid In methanol for 3h; Heating;220 mg
isorhamnetin-3-O-glucoside
6743-92-6, 50306-07-5, 5041-82-7

isorhamnetin-3-O-glucoside

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
Acid hydrolysis;
Conditions
ConditionsYield
Acid hydrolysis;
With hydrogenchloride at 100℃; for 1h;
Conditions
ConditionsYield
With McIlvaine buffer; flavonol-3-O-β-heterodisaccharide glycosidase at 30℃; for 0.25h; pH=5.0; Enzyme kinetics;
quercetol
117-39-5

quercetol

AdoMet

AdoMet

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
With DL-dithiothreitol; HCl buffer; 2-amino-2-hydroxymethyl-1,3-propanediol at 37℃; for 1h; pH=7.5; Enzyme kinetics; Enzymatic reaction;
With DL-dithiothreitol; HCl buffer; 2-amino-2-hydroxymethyl-1,3-propanediol at 37℃; for 1h; pH=7.5; Enzymatic reaction;
3,7-bis(benzyloxy)-2-[4-(benzyloxy)-3-hydroxyphenyl]-5-hydroxy-4H-1-benzopyran-4-one
40554-92-5

3,7-bis(benzyloxy)-2-[4-(benzyloxy)-3-hydroxyphenyl]-5-hydroxy-4H-1-benzopyran-4-one

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 90 percent / K2CO3 / dimethylformamide
2: 85 percent / H2 / 10 percent Pd(OH)2 / ethanol; tetrahydrofuran / 6 h
View Scheme
Multi-step reaction with 2 steps
1: potassium carbonate / N,N-dimethyl-formamide / 12 h / 25 °C / Inert atmosphere
2: palladium 10% on activated carbon; hydrogen / tetrahydrofuran; ethanol / 8 h / 25 °C
View Scheme
Multi-step reaction with 2 steps
1: potassium carbonate / N,N-dimethyl-formamide / 25 °C
2: palladium 10% on activated carbon; hydrogen / ethanol / 25 °C
View Scheme
Multi-step reaction with 2 steps
1.1: potassium carbonate / N,N-dimethyl-formamide / 0.08 h / 0 °C / Inert atmosphere
1.2: 15 h / 20 °C / Inert atmosphere
2.1: hydrogen; palladium 10% on activated carbon / ethyl acetate / 4 h / 20 °C
View Scheme
3-methoxy-4-acetoxybenzoyl chloride
56681-66-4

3-methoxy-4-acetoxybenzoyl chloride

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine; H2O
2: triethylamine / 160 °C / Erwaermen des Reaktionsprodukts mit wss.-aethanol. Kalilauge
View Scheme
3,5-dihydroxyphenol
108-73-6

3,5-dihydroxyphenol

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: diethyl ether; hydrogen chloride / Kochen des Reaktionsprodukts mit Alkohol
2: sodium salt of/the/ O-benzoyl-vanillic acid / 180 - 185 °C / Kochen des Reaktionsprodukts mit waessrig-alkoholischer Kalilauge
View Scheme
isorhamnetin 3-O-[-α-L-rhamnopyranosyl-(1->3)]-β-D-glucopyranoside

isorhamnetin 3-O-[-α-L-rhamnopyranosyl-(1->3)]-β-D-glucopyranoside

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
With hydrogenchloride; water In methanol for 4h; Reflux;
isorhamnetin 7-O-β-D-glucopyranoside
128331-43-1, 6743-96-0

isorhamnetin 7-O-β-D-glucopyranoside

A

D-glucose
50-99-7

D-glucose

B

isorhamnetin
480-19-3

isorhamnetin

Conditions
ConditionsYield
With water Acidic conditions;
uridine 5'-diphospho-D-galactose
2956-16-3

uridine 5'-diphospho-D-galactose

isorhamnetin
480-19-3

isorhamnetin

isorhamnetin 3-β-D-galactopyranoside
5041-82-7, 6743-92-6, 50306-07-5

isorhamnetin 3-β-D-galactopyranoside

Conditions
ConditionsYield
With 3-O-glycosyltransferase from Scutellaria baicalensis In dimethyl sulfoxide at 45℃; for 4h; pH=9; Enzymatic reaction; regiospecific reaction;83%
isorhamnetin
480-19-3

isorhamnetin

isorhamnetin 3-O-N-acetylglucosamine

isorhamnetin 3-O-N-acetylglucosamine

Conditions
ConditionsYield
With 3-O-glycosyltransferase from Scutellaria baicalensis In dimethyl sulfoxide at 45℃; for 4h; pH=9; Enzymatic reaction; regiospecific reaction;75%
isorhamnetin
480-19-3

isorhamnetin

C16H9(2)H3O7

C16H9(2)H3O7

Conditions
ConditionsYield
Stage #1: isorhamnetin With [D]-sodium hydroxide; platinum on activated charcoal; water-d2 at 130℃; for 9h; Inert atmosphere;
Stage #2: With formic acid at 130℃; for 1h; Inert atmosphere;
75%
3-methoxy-4-hydroxybenzoic acid
121-34-6

3-methoxy-4-hydroxybenzoic acid

isorhamnetin
480-19-3

isorhamnetin

3,5-dihydroxyphenol
108-73-6

3,5-dihydroxyphenol

UDP-glucose
133-89-1

UDP-glucose

isorhamnetin
480-19-3

isorhamnetin

isorhamnetin-3-O-glucoside
6743-92-6, 50306-07-5, 5041-82-7

isorhamnetin-3-O-glucoside

Conditions
ConditionsYield
With UDP glucose:flavonol glucosyltransferase enzyme preparation from Norway spruce needles In water for 0.75h; pH 8.0 bicine buffer;
With Populus deltoids Marsh PGT-3 at 37℃; for 0.5h; pH=7.5; Kinetics; Reagent/catalyst; aq. phosphate buffer; Enzymatic reaction; regioselective reaction;
isorhamnetin
480-19-3

isorhamnetin

potash

potash

A

3,5-dihydroxyphenol
108-73-6

3,5-dihydroxyphenol

B

3,4-Dihydroxybenzoic acid
99-50-3

3,4-Dihydroxybenzoic acid

Conditions
ConditionsYield
beim Schmelzen;
hydrogen iodide
10034-85-2

hydrogen iodide

isorhamnetin
480-19-3

isorhamnetin

quercetol
117-39-5

quercetol

isorhamnetin
480-19-3

isorhamnetin

quercetin-3'-methyl ether-3.5.7.4'-tetraacetate

quercetin-3'-methyl ether-3.5.7.4'-tetraacetate

Conditions
ConditionsYield
Acetylieren;
methanol
67-56-1

methanol

isorhamnetin
480-19-3

isorhamnetin

methyl iodide
74-88-4

methyl iodide

quercetin-3.7.3'.4'-tetramethyl ether

quercetin-3.7.3'.4'-tetramethyl ether

Isorhamnetin Specification

The Isorhamnetin, with the CAS registry number 480-19-3, is also known as 3,5,7-Trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-4H-1-benzopyran-4-one. It belongs to the product categories of Penta-substituted Flavones; Flavanols; Aromatics; Heterocycles; Intermediates & Fine Chemicals; Metabolites & Impurities; Pharmaceuticals. Its EINECS registry number is 207-545-5. This chemical's molecular formula is C16H12O7 and molecular weight is 316.26. What's more, both its IUPAC name and systematic name are the same which is called 3,5,7-Trihydroxy-2-(4-hydroxy-3-methoxyphenyl)chromen-4-one. It should be stored in a cool, dry and well-ventilated place. Isorhamnetin is an O-methylated flavonol, a type of chemical compound. It can be found in Tagetes lucida, a psychedelic plant from Mexico and Central America.

Physical properties about Isorhamnetin are: (1)ACD/LogP: 2.787; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.71; (4)ACD/LogD (pH 7.4): 1.42; (5)ACD/BCF (pH 5.5): 64.87; (6)ACD/BCF (pH 7.4): 3.29; (7)ACD/KOC (pH 5.5): 656.29; (8)ACD/KOC (pH 7.4): 33.29; (9)#H bond acceptors: 7; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 6; (12)Polar Surface Area: 116.45 Å2; (13)Index of Refraction: 1.741; (14)Molar Refractivity: 78.117 cm3; (15)Molar Volume: 193.545 cm3; (16)Polarizability: 30.968×10-24cm3; (17)Surface Tension: 88.309 dyne/cm; (18)Density: 1.634 g/cm3; (19)Flash Point: 227.827 °C; (20)Enthalpy of Vaporization: 92.531 kJ/mol; (21)Boiling Point: 599.429 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25 °C.

When you are dealing with this chemical, you should be very careful. This chemical is inflammation to the skin, eyes and respiratory system or other mucous membranes. Therefore, you should wear suitable protective clothing. In case of contacting with eyes, you should rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1) SMILES: O=C1c3c(O/C(=C1/O)c2ccc(O)c(OC)c2)cc(O)cc3O
(2) InChI: InChI=1S/C16H12O7/c1-22-11-4-7(2-3-9(11)18)16-15(21)14(20)13-10(19)5-8(17)6-12(13)23-16/h2-6,17-19,21H,1H3
(3) InChIKey: IZQSVPBOUDKVDZ-UHFFFAOYSA-N

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 intravenous 11100mg/kg (11100mg/kg)   Drugs in Japan Vol. 6, Pg. 63, 1982.

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View