(-)-Epiafzelechin - ≥98% , CAS No.24808-04-6

CAS: 24808-04-6 Cat. No.: E697732 Molecular Weight: 274.27
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
24808-04-6 | EPIAFZELECHIN (2R,3R)(-) | CHEBI:31028 | (2R,3R)-2-(4-hydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol | 2,3-cis-epiafzelechin | (2R,3R)-epiafzelechin | (2R,3R)-2-(4-hydroxyphenyl)chromane-3,5,7-triol | epiafzelechin | epi-Afzelechin | CHEM
Storage
Store at 2-8°C,Protected from light
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1mg
E697732-1mg
3
$271.90
5mg
E697732-5mg
2
$954.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

(-)-Epiafzelechin is a COX inhibitor with antioxidant and anti-inflammatory activity, osteoprotective effects in a mature ovariectomized mouse model, ability to stimulate osteoblast activity and inhibit osteoclast activity.

Specifications

Synonyms
24808-04-6 | EPIAFZELECHIN (2R, 3R)(-) | CHEBI:31028 | (2R, 3R)-2-(4-hydroxyphenyl)-3, 4-dihydro-2H-chromene-3, 5, 7-triol | 2, 3-cis-epiafzelechin | (2R, 3R)-epiafzelechin | (2R, 3R)-2-(4-hydroxyphenyl)chromane-3, 5, 7-triol | epiafzelechin | epi-Afzelechin | CHEM
Specifications & Purity
≥98%
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.
Purity
≥98%
Names and Identifiers
Canonical SmilesC1C(C(OC2=CC(=CC(=C21)O)O)C3=CC=C(C=C3)O)O
IUPAC Name(2R,3R)-2-(4-hydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol
InChIKeyRSYUFYQTACJFML-UKRRQHHQSA-N
INCHI1S/C15H14O5/c16-9-3-1-8(2-4-9)15-13(19)7-11-12(18)5-10(17)6-14(11)20-15/h1-6,13,15-19H,7H2/t13-,15-/m1/s1
Isomeric SMILES C1[C@H]([C@H](OC2=CC(=CC(=C21)O)O)C3=CC=C(C=C3)O)O
Alternate CAS 24808-04-6
MeSH Entry Terms (2R,3R)-2-(4-hydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol;afzelechin
Molecular Weight 274.27

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.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 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
SubclassFlavans
Intermediate Tree Nodes Not available
Direct ParentFlavan-3-ols
Alternative Parents 7-hydroxyflavonoids  5-hydroxyflavonoids  4'-hydroxyflavonoids  3-hydroxyflavonoids  1-benzopyrans  Alkyl aryl ethers  1-hydroxy-4-unsubstituted benzenoids  1-hydroxy-2-unsubstituted benzenoids  Benzene and substituted derivatives  Secondary alcohols  Polyols  Oxacyclic compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents 3-hydroxyflavonoid - 4'-hydroxyflavonoid - 5-hydroxyflavonoid - 7-hydroxyflavonoid - Flavan-3-ol - Hydroxyflavonoid - 1-benzopyran - Chromane - Benzopyran - 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Alkyl aryl ether - Phenol - Benzenoid - Monocyclic benzene moiety - Secondary alcohol - Polyol - Organoheterocyclic compound - Oxacycle - Ether - Hydrocarbon derivative - Organic oxygen compound - Alcohol - Organooxygen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as flavan-3-ols. These are flavans that bear and hydroxyl group at position 3 (B ring), but not at position 4.
External Descriptors Flavans, Flavanols and Leucoanthocyanidins
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
PTGS1 Tclin Cyclooxygenase-1 (9233 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PTGS2 Tclin Cyclooxygenase-2 (13999 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
H9 (1832 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Liver (3974 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLCO1B1 Tchem Solute carrier organic anion transporter family member 1B1 (2672 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLCO1B3 Tchem Solute carrier organic anion transporter family member 1B3 (2517 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SYNJ2 Tchem Synaptojanin-2 (76 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Brugia malayi (1377 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Human immunodeficiency virus 1 (70413 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.

2 results found

Lot NumberCertificate TypeDateItem
J2522634Certificate of AnalysisAug 04, 2025 E697732
J2522637Certificate of AnalysisAug 04, 2025 E697732
Chemical and Physical Properties
SensitivityMoisture sensitive, Light sensitive
Molecular Weight274.270 g/mol
XLogP30.700
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count5
Rotatable Bond Count1
Exact Mass274.084 Da
Monoisotopic Mass274.084 Da
Topological Polar Surface Area90.200 Ų
Heavy Atom Count20
Formal Charge0
Complexity328.000
Isotope Atom Count0
Defined Atom Stereocenter Count2
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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