二硫化二砷,Arsenic(II) sulfide;95%
最近浏览商品
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2-溴-5-羟基吡嗪,2-Bromo-5-hydroxypyrazine;95% -
六亚甲基二胺,Hexamethylenediamine [HMDA];technical grade, 70% -
二氧化钛浆料,Titania paste, reflector -
3-吗啉丙磺酸,MOPS;Calbiochem®, ≥99% (titration) -
盐酸小檗碱,Berberine chloride form;Pharmaceutical Secondary Standard; Certified Reference Material -
氯化锌,Zinc chloride;anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥97%
