sigma试剂 β-Nicotinamide adenine dinucleotide phosphate disodium salt,93205 - ≥97.0%(calc. based on dry substance, enzymatic)
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sigma试剂Pyridoxal 5′-phosphate monohydrate,82870 - ≥97.0% (NT)
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sigma试剂4-Nitrophenol,4-硝基苯酚,73560-puriss. p.a., indicator (pH 5.6-7.6), ≥99.5%
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sigma试剂 Lipopolysaccharides from Escherichia coli 0111:B4,L2630-purified by phenol extraction
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sigma试剂 Luteinizing Hormone from sheep pituitary ,L5269- lyophilized powder
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