正丁醛,Butyraldehyde;≥99.0%, dry
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大黄酚,Chrysophanol;98%
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四甲基乙二胺,N,N,N′,N′-Tetramethylethylenediamine [TEMED, TMEDA];BioReagent, for molecular biology, ≥99% (GC)
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巴比妥酸,Barbituric acid;for spectrophotometric det. of cyanide, ≥99.5%
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腺苷,Adenosine;Pharmaceutical Secondary Standard; Certified Reference Material
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铟,Indium;powder, 99.99% trace metals basis
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硬脂酸,Stearic acid;Grade I, ≥98.5% (capillary GC)