sigma試劑4-Nitrophenol,4-硝基苯酚,73560-puriss. p.a., indicator (pH 5.6-7.6), ≥99.5%
查看詳細介紹sigma試劑 Lipopolysaccharides from Escherichia coli 0111:B4,L2630-purified by phenol extraction
查看詳細介紹sigma試劑 Luteinizing Hormone from sheep pituitary ,L5269- lyophilized powder
查看詳細介紹sigma試劑 N,N-Dimethylcasein,39890 - BioReagent, for spectrophotometric det. of enzyme activity
查看詳細介紹