sigma试剂 Methyl cellulose ,甲基纤维素,M0512 - viscosity 4,000 cP, 2 % in H2O(20 °C)(lit.)
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SIGMA试剂 HT Media Supplement (50×) Hybri-Max,HT 培养基添加剂 (50×) Hybri-Max™,H0137- lyophilized powder, γ-irradiated, BioXtra, suitable for hybridoma
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sigma试剂 Protease from Streptomyces griseus ,P8811 - powder, BioReagent, suitable for mouse embryo cell culture, ≥3.5 units/mg solid
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sigma试剂DL-4-Hydroxy-3-methoxymandelic acid ,DL-4-羟基-3-甲氧基扁桃酸,H0131 - ≥98% (TLC), powder
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