Determine the necessary mass, volume, or concentration for preparing a solution.
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padrão analítico Padrão analítico for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Armazenar a 2-8°C Ships Gelo húmido Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
A withaferina A, uma lactona esteroidal originalmente purificada de Withania somnifera, demonstrou ter uma potente atividade antiangiogénica in vivo, bem como potentes actividades inibidoras do crescimento. Este composto liga-se à Vimentina, a proteína do filamento intermédio (IF), e provoca a agregação dos filamentos de Vimentina in vitro. Além disso, as experiências demonstraram que a inibição do crescimento capilar induzida pela Withaferin num modelo de rato de neovascularização da córnea foi comprometida em ratos deficientes em Vimentina. Outras experiências demonstraram que a Withaferin A é um inibidor do proteassoma, com um alvo primário específico para a subunidade β5 do proteassoma 20S. A withaferina A demonstra o potencial para inibir a ativação do NFκB através da prevenção da IκB quinase β activada pelo fator de necrose tumoral através de um mecanismo redox sensível à tioalquilação. Noutros estudos, observou-se também que a Withaferin A alterava a arquitetura do citoesqueleto ligando-se covalentemente à Anexina II e estimulando a sua atividade basal de reticulação da F-actina. Outra caraterística da Withaferin A que foi observada é a sua capacidade de induzir a regeneração de axónios e dendritos e também de reconstruir pré e pós-sinapses em neurónios de ratinhos.
Um composto antiangiogénico e inibidor do poteassoma.
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Lipids and lipid-like molecules |
| Classe | Steroids and steroid derivatives |
| Subclass | Steroid lactones |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Withanolides 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 Framework | Aliphatic 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 |
| Descrição | This 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 |
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Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Data | Item |
|---|---|---|---|
| Certificate of Analysis | Jun 08, 2023 | W134988 |
| Solubilidade | Soluble in ethanol, and DMSO |
|---|---|
| Peso molecular | 470.600 g/mol |
| XLogP3 | 3.800 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 3 |
| Exact Mass | 470.267 Da |
| Monoisotopic Mass | 470.267 Da |
| Topological Polar Surface Area | 96.400 Ų |
| Heavy Atom Count | 34 |
| Formal Charge | 0 |
| Complexity | 999.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 11 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
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