2,2′,3,3′,4,4′,5,5′,6-九溴二苯醚,1,2,3,4,5-Pentabromo-6-(2,3,4,5-tetrabromophenoxy)benzene [BDE No 206]
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视黄醇 [维生素A],Retinol;synthetic, ≥95% (HPLC), crystalline, ~2700 u/mg -
直接冻黄G [白芨],Chrysophenine;Dye content 65 % -
多沙唑嗪甲磺酸酯,Doxazosin mesylate;certified reference material, pharmaceutical secondary standard -
2,2'-二羟基-4-甲氧基二苯甲酮,2,2′-Dihydroxy-4-methoxybenzophenone;98% -
葡聚糖来源于明串珠菌属,Dextran from Leuconostoc spp.;Mr ~100,000 -
普鲁兰多糖 [普鲁兰糖],Pullulan;suitable for substrate for pullulanase
