三氧化钨(VI),Tungsten(VI) oxide;powder, ≤25 μm, ≥99% trace metals basis
最近浏览商品
-
碘甲烷,Iodomethane;contains copper as stabilizer, ReagentPlus®, 99%
-
五味子乙素,Schisandrin B;≥98%
-
碘,Iodine;flakes, ReagentPlus®, ≥99%
-
γ-L-谷氨酸-L半胱氨酸,γ-Glu-Cys;≥80% (HPLC)
-
左旋多巴,3,4-Dihydroxy-L-phenylalanine [L-DOPA];certified reference material, TraceCERT®
-
丙胺卡因盐酸盐,Prilocaine hydrochloride;pharmaceutical secondary standard, certified reference material