2-甲基丁烷 [异戊烷],2-Methylbutane;Pharmaceutical Secondary Standard; Certified Reference Material
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脂肪酶来源于米曲霉,Lipase from Aspergillus oryzae;lyophilized, powder, white, ~50 U/mg
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七叶苷水合物 [秦皮甲素, 七叶灵],Esculin hydrate;≥98.0% (HPLC)
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氨基胍半硫酸盐 [硫酸氨基胍],Aminoguanidine hemisulfate salt;≥98%
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过氧化氢酶来源于牛肝脏,Catalase from bovine liver;lyophilized powder, 2,000-5,000 units/mg protein
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亮肽素 [亮抑酶肽, 亮抑酶酞],Leupeptin [Acetyl-Leu-Leu-Arg-al];microbial, ≥90% (HPLC)
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聚乙烯亚胺溶液,Poly(ethyleneimine) solution [PEI];average Mn ~1,200, average Mw ~1300 by LS, 50 wt. % in H2O