24-Epibrassinolide

[ Structure Formula ] :   
[Specification] :

Appearance: White crystals
Purity: 90%
Melting point: 254-256°C
Loss on drying: <0.5%
Residue on ignition: 0.1%

[ Description ] :

Chemical name:

(22R,23R,24R)-2α,3α,22,23-tetrahydroxy-24-methyl-β-homo-7-oxa-5-cholestan-6-one

Toxicology:

Acute oral toxicity for rat, LD50 >2000mg/Kg; mouse, LD50 >1000mg/Kg. Acute percutaneous toxicity for rat, LD50 >2000mg/Kg. Ames test indicates no mutagenicity.

Application: Epibrassinolide can increase synthesis of IAA,ABA and ethylene, promote individual cell expansion, and thus enhance plant growth. It can inhibit aging, break dormancy, stimulate germination, promote growth of foliage plant, and induce hermaphrodite flower and female flower.
 
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