... from Broccoli seeds. 2>Sulforaphane assay: 0.2%,0.6%,1%,2%,10% (HPLC) 3>Brown and yellow power Sulphoranphane [Main ... R)-sulforaphane;L-sulforaphane[Plant Source]:Broccoli seeds[Chemical name]: 1-isothiocyanato-4-(methyl-sulfinyl) butane[Structural formula]: C6H11S2NO[CAS Reg ... [Molecular weight]: 177.29[Specification]:Sulforaphane assay: 0.2%,0.6%,1%,10%,50%,95%(HPLC)[Storage]: Store in -20 & dry ...