2-甲基丁烷 [异戊烷],2-Methylbutane;Pharmaceutical Secondary Standard; Certified Reference Material
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左氧氟沙星半水合物,Levofloxacin Hemihydrate;≥99.0% (HPLC) -
水杨酸苄酯,Benzyl salicylate;analytical standard, ≥98.5% (GC) -
葡萄糖酸铜(II),Copper(II) Gluconate;min. 97.0 % -
二乙二醇二乙醚,Diethylene glycol diethyl ether;reagent grade, ≥98% -
碳酸二甲酯,Dimethyl carbonate [DMC];analytical standard, ≥99.0% (GC) -
五氟丙酸酐,Pentafluoropropionic anhydride [PFPA];for GC derivatization, LiChropur™, 99%
