1. natural Brassinolide 90% 2. super quality and competitive price 3. hot sales plant growth regulator Product Name:Natural Brassinolide 90%TCCAS NO72962-43-7Specs90% TC, 0.1%SP, 0.2%SPChemical Name(22R, 23R, 24S)-2a, 3a, 22, 23-tetrahydroxy-24-methyl-B-homo-7-oxa-5a-cholestan-6-oneDescriptionEmpirical Formula: C29H50O6Molecular Weight: 480.7Melting point: 225-258°C Appearance: light yellow or ...