Isorhamnetin - analytical standard, Moligand™, ≥98%(HPLC) , CAS No.480-19-3

CAS: 480-19-3 Cat. No.: I109591 Formula: C16H12O7 Molecular Weight: 316.26 Beilstein Registry Number: 44723 EC Number: 207-545-5
AVAILABLE TO ORDER
GRADE & PURITY Analytical standard ? Analytical standard — certified-purity material for quantitative calibration. Use to prepare calibration standards and validate analytical methods. Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%(HPLC)
Synonyms
NCGC00163572-02 | 3'-Methoxyquercetin | 3,5,7-Trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-4H-1-benzopyran-4-one | SR-05000002256-2 | 3,4',5,7-Tetrahydroxy-3'-methoxyflavone | 3,4',5,7-tetrahydroxy-3'-methoxy-flavone | EX-A6804 | Isorhamnetol | UNII-07X3IB4R4
Storage
Store at 2-8°C,Protected from light
Shipped In
Wet ice
★
Size
USA
Germany (EU)*
Price
Qty
10mg
I109591-10mg
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$99.90
20mg
I109591-20mg
3 In stock
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$111.90

$168.90
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Why this grade

analytical standard, Moligand™, ≥98%(HPLC) Analytical standard,Moligand™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Protected from light Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 40 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Isorhamnetin (3-methylquercetin) is the methylated metabolite of quercetin. Quercetin is an important dietary flavonoid with in vitro antioxidant activity. Isorhamnetin prevents endothelial cell injuries from oxidized LDL via inhibition of lectin-like ox-LDL receptor-1 upregulation, interference of ox-LDL-mediated intracellular signaling pathway (p38MAPK activation, NF-kappaB nuclear translocation, eNOS expression) and the antioxidant activity of isorhamnetin. Isorhamnetin prevents endothelial dysfunction, superoxide production, and overexpression of p47phox induced by angiotensin II. Isorhamnetin appears to be a potent drug against esophageal cancer due to it's in vitro potential to not only inhibit proliferation but also induce apoptosis of Eca-109 cells.

Specifications

Synonyms
NCGC00163572-02 | 3'-Methoxyquercetin | 3,5,7-Trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-4H-1-benzopyran-4-one | SR-05000002256-2 | 3,4',5,7-Tetrahydroxy-3'-methoxyflavone | 3,4',5,7-tetrahydroxy-3'-methoxy-flavone | EX-A6804 | Isorhamnetol | UNII-07X3IB4R4
Specifications & Purity
analytical standard, Moligand™, ≥98%(HPLC)
Storage
Store at 2-8°C,Protected from light
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Grade
Analytical standard, Moligand™
Purity
≥98%(HPLC)
Names and Identifiers
Pubchem Sid
Canonical Smiles
COC1=C(C=CC(=C1)C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)O)O
IUPAC Name
3,5,7-trihydroxy-2-(4-hydroxy-3-methoxyphenyl)chromen-4-one
InChIKey
IZQSVPBOUDKVDZ-UHFFFAOYSA-N
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
Isomeric SMILES
COC1=C(C=CC(=C1)C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)O)O
WGK Germany
3
RTECS
LK9275450
Molecular Weight
316.26
Beilstein
44723
Reaxy-Rn
44723
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=44723&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassPhenylpropanoids and polyketides
ClassFlavonoids
SubclassFlavones
Intermediate Tree Nodes Not available
Direct ParentFlavonols
Alternative Parents 3'-O-methylated flavonoids  3-hydroxyflavonoids  4'-hydroxyflavonoids  5-hydroxyflavonoids  7-hydroxyflavonoids  Chromones  Methoxyphenols  Phenoxy compounds  Methoxybenzenes  Anisoles  1-hydroxy-2-unsubstituted benzenoids  Pyranones and derivatives  1-hydroxy-4-unsubstituted benzenoids  Alkyl aryl ethers  Vinylogous acids  Heteroaromatic compounds  Oxacyclic compounds  Polyols  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents 3p-methoxyflavonoid-skeleton - 3-hydroxyflavone - 3-hydroxyflavonoid - 4'-hydroxyflavonoid - 5-hydroxyflavonoid - 7-hydroxyflavonoid - Hydroxyflavonoid - Chromone - Benzopyran - 1-benzopyran - Methoxyphenol - Phenoxy compound - Anisole - Methoxybenzene - Phenol ether - 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Alkyl aryl ether - Pyranone - Phenol - Benzenoid - Monocyclic benzene moiety - Pyran - Vinylogous acid - Heteroaromatic compound - Ether - Organoheterocyclic compound - Oxacycle - Polyol - Organic oxygen compound - Organooxygen compound - Organic oxide - Hydrocarbon derivative - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as flavonols. These are compounds that contain a flavone (2-phenyl-1-benzopyran-4-one) backbone carrying a hydroxyl group at the 3-position.
External Descriptors Flavones and Flavonols
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
CYP1B1 Tchem Cytochrome P450 1B1 (2 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
CA2 Tclin Carbonic anhydrase 2 (1 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
CA4 Tclin Carbonic anhydrase 4 (1 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
CA12 Tclin Carbonic anhydrase 12 (2 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
CA7 Tclin Carbonic anhydrase 7 (1 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
CYP1A1 Tchem Cytochrome P450 1A1 (1 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
F2 Tclin Thrombin (11687 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA2 Tclin Carbonic anhydrase II (17698 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ALOX5 Tclin Arachidonate 5-lipoxygenase (6568 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ACHE Tclin Acetylcholinesterase (18204 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PPARG Tclin Peroxisome proliferator-activated receptor gamma (15191 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
XDH Tclin Xanthine dehydrogenase (1038 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MME Tclin Neprilysin (838 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
AKR1B1 Tclin Aldose reductase (1404 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ANPEP Tchem Aminopeptidase N (863 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP1B1 Tchem Cytochrome P450 1B1 (1148 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA1 Tclin Carbonic anhydrase I (13240 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
AMY1A Salivary alpha-amylase (100 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP1A1 Tchem Cytochrome P450 1A1 (1169 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
FASN Tchem Fatty acid synthase (3390 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MAPK3 Tchem MAP kinase ERK1 (4725 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA12 Tclin Carbonic anhydrase XII (6231 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP1A2 Tchem Cytochrome P450 1A2 (26471 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MCF7 (126967 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MRC5 (9203 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
N9 (414 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SH-SY5Y (11521 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HaCaT (4069 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HCT-116 (91556 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HepG2 (196354 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Monocyte (474 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Jurkat (10389 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HeLa (62764 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
FEN1 Tchem Flap endonuclease 1 (12055 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
POLK Tbio DNA polymerase kappa (8653 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
APEX1 Tchem DNA-(apurinic or apyrimidinic site) lyase (38016 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HSPB1 Tchem Heat shock protein beta-1 (172 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MAPK3 Tchem Mitogen-activated protein kinase; ERK1/ERK2 (651 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MEN1 Tchem Menin/Histone-lysine N-methyltransferase MLL (48157 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MAPK13 Tchem MAP kinase p38 (1586 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NFKB2 Tchem Nuclear factor NF-kappa-B complex (2307 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MAPK8 Tchem Mitogen-activated protein kinase 8/9 (10 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
pol Human immunodeficiency virus type 1 reverse transcriptase (18245 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Ca7 Carbonic anhydrase VII (3 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA4 Carbonic anhydrase IV (1713 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Helicobacter pylori (3113 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Pseudomonas aeruginosa (123386 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Salmonella typhimurium (15756 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Proteus mirabilis (3894 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mycobacterium tuberculosis (203094 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Trypanosoma brucei brucei (13300 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Plasmodium falciparum (966862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mus musculus (284745 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Hepatitis C virus (23859 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NIH3T3 (5395 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HT-22 (3261 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
J774 (3120 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
fabG 3-oxoacyl-acyl-carrier protein reductase (70 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
fabI Enoyl-acyl-carrier protein reductase (415 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
rep Replicase polyprotein 1ab (378 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
IMA1 Oligo-1,6-glucosidase (218 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
BCHE Cholinesterase (8742 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PNLIP Pancreatic triacylglycerol lipase (476 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
E6 Protein E6 (25 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Cydia pomonella (354 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SARS-CoV-2 (38078 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Ip6k2 Inositol hexakisphosphate kinase 2 (3 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

10 results found

Lot NumberCertificate TypeDateItem
B2311762Certificate of AnalysisJul 30, 2026 I109591
D2615402Certificate of AnalysisMar 02, 2026 I109591
C2420186Certificate of AnalysisDec 10, 2025 I109591
C2228047Certificate of AnalysisOct 11, 2025 I109591
D2518350Certificate of AnalysisApr 10, 2025 I109591
D2518352Certificate of AnalysisApr 10, 2025 I109591
C2228058Certificate of AnalysisJan 08, 2024 I109591
I2311550Certificate of AnalysisAug 21, 2023 I109591
I2126284Certificate of AnalysisJul 07, 2023 I109591
B2311608Certificate of AnalysisNov 28, 2022 I109591
Chemical and Physical Properties
Sensitivitylight sensitive
Melt Point(°C)307°C
Molecular Weight316.260 g/mol
XLogP31.900
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count7
Rotatable Bond Count2
Exact Mass316.058 Da
Monoisotopic Mass316.058 Da
Topological Polar Surface Area116.000 Ų
Heavy Atom Count23
Formal Charge0
Complexity503.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

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