21022ES Biontin-Hydrazide生物素酰肼 CAS号(CAS NO.)66640-86-6分子式(Molecular Fomular)C10H18N4O2S分子量(Molecular Weight)258.34纯度(Purity)98%外观(Appearance)白色粉末结构(Str Specs 2 sizes Yeasen $70.56 Inquire询 Detail详 21022ES60 100 mg $508.00 21022ES80 1 g $3,508.00