24-Epibrassinolide is a type of brassinosteroid, a natural occurring plant hormone.[1][2] It was first discovered 1979 as a growth promoting substance in rape pollen,[3] and was subsequently discovered in many other plant organs.[4] 24-Epibrassinolide is essential for proper plant development growth and development,[5][6][7][8] is involved in the regulation of cell elongation and division,[9] and has been shown to improve plant functions in salt- and nickel-stressed environments,[10] as well as increasing enzyme activity.[11] It is sold commercially as a white powder for use in plant culture.
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IUPAC name
(22R,23R)-2α,3α,22,23-Tetrahydroxy-6,7-epoxy-6,7-seco-5α-ergostan-6-one
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Systematic IUPAC name
(1R,3aS,3bS,6aS,8S,9R,10aR,10bS,12aS)-1-[(2S,3R,4R,5R)-3,4-Dihydroxy-5,6-dimethylheptan-2-yl]-8,9-dihydroxy-10a,12a-dimethylhexadecahydro-6H-indeno[4,5-d][2]benzoxepin-6-one | |
Identifiers | |
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3D model (JSmol)
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ChEBI |
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ChEMBL |
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ChemSpider |
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ECHA InfoCard | 100.167.027 |
KEGG |
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PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
C28H48O6 | |
Molar mass | 480.686 g·mol−1 |
Appearance | White powder |
Melting point | 274 °C (525 °F; 547 K) |
Hazards | |
GHS labelling: | |
Warning | |
H315, H319, H335 | |
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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