硫酸链霉素,Streptomycin sulfate salt;powder, BioReagent, suitable for cell culture, ≥720 I.U. per mg (dried basis)
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聚 [(9,9-双(3′-(N,N-二甲基氨基)丙基)-2,7-芴)-alt-2,7-(9,9-二辛基芴)],PFN-DOF;Mw 5,000-10,000 -
聚(4-苯乙烯磺酸钠) [聚苯乙烯磺酸钠],Poly(sodium 4-styrenesulfonate) [PSS];average Mw ~1,000,000, powder -
1,3-二羟甲基-5,5-二甲基海因,1,3-Bis(hydroxymethyl)-5,5-dimethylimidazolidine-2,4-dione;97% -
二羰基乙酰丙酮铑 (I),(Acetylacetonato)dicarbonylrhodium(I) [Rh(CO)2acac];Umicore, 98% -
乙醇脱氢酶来源于酿酒酵母,Alcohol Dehydrogenase from Saccharomyces cerevisiae [ADH];lyophilized powder (contains buffer salts), ≥300 units/mg protein -
2,3-丁二酮一肟,2,3-Butanedione monoxime [BDM];for spectrophotometric det. of urea, ≥99.0%
