L-Cysteine 盐酸盐 L-Cysteine hydrochloride C7477 - anhydrous, from non-animal source, BioReagent, suitable for cell culture, ≥98.0%
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sigma试剂 Glucose Oxidase from Aspergillus niger,G7141 - Type X-S, lyophilized powder, 100,000-250,000 units/g solid (without added oxygen)
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