Withaferin A - analytical standard , CAS No.5119-48-2

CAS: 5119-48-2 Cat. No.: W134988 Peso molecular: 470.6 Número EC: 682-797-0 PubChem CID: 265237
Disponible para pedir
GRADE & PURITY Analytical standard ? Analytical standard — certified-purity material for quantitative calibration. Use to prepare calibration standards and validate analytical methods.
Synonyms
NSC273757 | NSC-273757 | WITHAFERIN A [MI] | NCGC00180796-02_C28H38O6_(4beta,5beta,6beta,22R)-4,27-Dihydroxy-5,6:22,26-diepoxyergosta-2,24-diene-1,26-dione | A1-06845 | C08841 | DS-13282 | SMR004701668 | Ashwagandha | NSC-101088 | Withaferine A | 5.beta.-
Storage
Store at 2-8°C
Shipped In
Wet ice
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Size
Estado
Price
Qty
5mg
W134988-5mg
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593,90US$
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W134988-10mg
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1.441,90US$
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Why this grade

analytical standard Analytical standard for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

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

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Quality documents

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

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Literature proof

Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Descripción general

Withaferin A, a steroidal lactone originally purified from Withania somnifera, has been shown to have potent antiangiogenesis activity in vivo as well as potent growth inhibitory activities. This compound binds to Vimentin, the intermediate filament (IF) protein, and causes Vimentin filaments to aggregate in vitro. Furthermore, experiments have demonstrated that Withaferin-induced inhibition of capillary growth in a mouse model of corneal neovascularization was compromised in Vimentin-deficient mice. Additional experiments have reported Withaferin A to be a proteasome inhibitor, with a specific primary target for 20S proteasome β5 subunit. Withaferin A demonstrates the potential to inhibit NFκB activation by prevention of tumor necrosis factor-activated IκB kinase β via a thioalkylation-sensitive redox mechanism. In other studies, Withaferin A was also observed to alter cytoskeletal architecture by covalently binding Annexin II and stimulating its basal F-actin cross-linking activity. Another characteristic of Withaferin A that has been noted is it's ability to induce regeneration of axons and dendrites and also reconstruct pre and postsynapses in neurons of mice.
An antiangiogenesis compound and poteasome inhibitor.

Specifications

Sinónimos
NSC273757 | NSC-273757 | WITHAFERIN A [MI] | NCGC00180796-02_C28H38O6_(4beta, 5beta, 6beta, 22R)-4, 27-Dihydroxy-5, 6:22, 26-diepoxyergosta-2, 24-diene-1, 26-dione | A1-06845 | C08841 | DS-13282 | SMR004701668 | Ashwagandha | NSC-101088 | Withaferine A | 5.beta.-
Especificaciones y pureza
analytical standard
Mecanismos bioquímicos y fisiológicos
Steroidal lactone that exhibits cytotoxicity towards tumor cells. Protective effects attributed to anti-lipid peroxidative, antioxidant and detoxifying functionality.
Condiciones de almacenamiento de almacenamiento
Store at 2-8°C
Enviado en
Wet ice
Este producto requiere envío en cadena de frío. Los servicios terrestres y otros servicios económicos no están disponibles.
Grado
Analytical standard
Nombres e identificadores
Sonrisas canónicasCC1=C(C(=O)OC(C1)C(C)C2CCC3C2(CCC4C3CC5C6(C4(C(=O)C=CC6O)C)O5)C)CO
IUPAC Name(1S,2R,6S,7R,9R,11S,12S,15R,16S)-6-hydroxy-15-[(1S)-1-[(2R)-5-(hydroxymethyl)-4-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-2,16-dimethyl-8-oxapentacyclo[9.7.0.02,7.07,9.012,16]octadec-4-en-3-one
InChIKeyDBRXOUCRJQVYJQ-CKNDUULBSA-N
INCHI1S/C28H38O6/c1-14-11-21(33-25(32)17(14)13-29)15(2)18-5-6-19-16-12-24-28(34-24)23(31)8-7-22(30)27(28,4)20(16)9-10-26(18,19)3/h7-8,15-16,18-21,23-24,29,31H,5-6,9-13H2,1-4H3/t15-,16-,18+,19-,20-,21+,23-,24+,26+,27-,28+/m0/s1
Isómeros SMILES CC1=C(C(=O)O[C@H](C1)[C@@H](C)[C@H]2CC[C@@H]3[C@@]2(CC[C@H]4[C@H]3C[C@@H]5[C@]6([C@@]4(C(=O)C=C[C@@H]6O)C)O5)C)CO
PubChem CID 265237
Peso molecular 470.6

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.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassLipids and lipid-like molecules
ClaseSteroids and steroid derivatives
SubclassSteroid lactones
Intermediate Tree Nodes Not available
Direct ParentWithanolides and derivatives
Alternative Parents 5,6-epoxysteroids  Oxepanes  Dihydropyranones  Cyclohexenones  Enoate esters  Secondary alcohols  Lactones  Oxacyclic compounds  Monocarboxylic acids and derivatives  Epoxides  Dialkyl ethers  Primary alcohols  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic heteropolycyclic compounds
Substituents Withanolide-skeleton - 5,6-epoxysteroid - Dihydropyranone - Oxepane - Cyclohexenone - Pyran - Alpha,beta-unsaturated carboxylic ester - Enoate ester - Carboxylic acid ester - Ketone - Lactone - Secondary alcohol - Oxacycle - Carboxylic acid derivative - Organoheterocyclic compound - Dialkyl ether - Oxirane - Ether - Monocarboxylic acid or derivatives - Carbonyl group - Hydrocarbon derivative - Organic oxide - Organic oxygen compound - Alcohol - Organooxygen compound - Primary alcohol - Aliphatic heteropolycyclic compound
DescripciónThis compound belongs to the class of organic compounds known as withanolides and derivatives. These are c28 steroids structurally characterized by an ergostane skeleton usually functionalized at carbons 1, 22 and 26 to form a lactone ring.
External Descriptors Steroids
Estructura 3D
Modelo de Estructura Química Interactiva





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Mecanismos de acción
Certificados (CoA, COO, BSE/TSE y tabla de análisis)
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.

1 results found

Lot NumberCertificate TypeFechaArticulo
A1818048Certificate of AnalysisJun 08, 2023 W134988
Propiedades químicas y físicas
SolubilidadSoluble in ethanol, and DMSO
Peso molecular470.600 g/mol
XLogP33.800
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count6
Rotatable Bond Count3
Exact Mass470.267 Da
Monoisotopic Mass470.267 Da
Topological Polar Surface Area96.400 Ų
Heavy Atom Count34
Formal Charge0
Complexity999.000
Isotope Atom Count0
Defined Atom Stereocenter Count11
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Preguntas frecuentes y artículos
Citations of This Product
Referencias
1. Xiaodong Sun, Bingqing Qin, Ai Guo, Jianjun Gui, Jingjing Weng, Junjie Ye, Shenglan Feng, Ming Sang.  (2025)  Withaferin A maintained microbiome and metabolome features in A53T transgenic mice via multi-omics integrated analysis.  PHYTOMEDICINE,      [PMID:40220427] [10.1016/j.phymed.2025.156725]
Calculadoras de soluciones
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