sigma試劑 3,4-Dihydroxyphenylacetic acid ,3,4-二羥基苯乙酸,850217 - 98%
sigma試劑 Chloroquine diphosphate salt ,氯喹 二磷酸鹽,C6628 - solid, ≥98%
sigma試劑 Aflatoxin B1 from Aspergillus flavus ,黃曲霉素 B1 來(lái)源于黃曲霉,A6636 - from Aspergillus flavus
5α-Androst-16-en-3-one,5α-雄甾-16-烯-3-酮,A8008
sigma試劑 Tris(2,2′-bipyridyl)dichlororuthenium(II)hexahydrate ,氯化三(2,2'-聯(lián)吡啶)釕(II) 六水合物,224758 - powder
sigma試劑Ammonium pyrrolidinedithiocarbamate , 吡咯烷二硫代甲酸銨,P8765 - ~99%