中文名:變色素2R 別名:變色素2R/變色酸2R/苯偶氮變色酸鈉/鉻變藍2R/酸性紅29/鉻變酸2R/鉻變素2R/Chromotrope 2R 規(guī)格:AR 包裝:5克 :4197-07-3 保存條件:RT 生化試劑根據(jù)用途不同對其純度及技術(shù)均有一定的要求。例如酶試劑,有粗制酶、結(jié)晶酶、多次結(jié)晶酶以及不含某些雜酶的酶制劑等多種。 生化試劑有三種方法: ①從生物體中分離、提純; ②化學(xué)合成; ③發(fā)酵。 對生化試劑產(chǎn)品的技術(shù)要求有:含量、熔點、冰點、旋光度、含水量、光譜特征、折光、密度和生物活性等。 其他生化試劑類產(chǎn)品: (C6H11)2NLi 16JU : 4111-55-1 2-氨基-5-(4-硝基苯基)-1,3,4-噻二唑 2-Amino-5-(4-nitrophenyl)-1,3,4-thiadiazole (C6H11)3SnCl 16CC : 3091-32-5 4-氨基-2,5-二苯酚 4-Amino-2,5-dimethylphenol (C6H11)3SnH 16VE : 6056-50-4 5-o-甲苯基-2-戊烯 5-o-Tolyl-2-pentene, mixture of cis and trans (C6H11NO)n 12WY : 63038-44-8 直接耐曬黃5GL Direct Yellow 27 (C6H11NO)n 19B0 : 25189-55-3 聚己二酸己二醇酯 Poly(1 6-hexamethylene adipate) averag (C6H13)2NC6H5 16LQ : 4430-09-5 Truxenone Truxenone (C6H4-4-SO2C6H4-4-OC6H4-4-O)n 19HC : 28212-68-2 二乙氧基異氰酸膦酯 Diethoxyphosphinyl isocyanate (-C6H4CH2OH)2 16FV : 3594-90-9 N,N'-二-N,N'-二苯脲 1,3-Dimethyl-1,3-diphenylure (C6H5 16DN : 3244-41-5 (C6H5)2AsCH2CH2As(C6H5)2 16LS : 4431-24-7 2,2'-聯(lián)吡啶-3,3'?二羧酸 2,2'-Bipyridine-3,3'?dicarboxylic acid (C6H5)2BOB(C6H5)2 16LL : 4426-21-5 三(四氫吡咯)硼烷 Tris(pyrrolidino)borane (C6H5)2C=CHCHO 159Q : 1210-39-5 氯化銩(III)六水 Thulium(III) chloride hexahydrate (C6H5)2C=NNHSO2C6H4CH3 16MN : 4545-20-4 2-苯基-4-喹啉羧酸甲酯 Methyl 2-phenyl-4-quinolinecarboxylate (C6H5)2C6H6(=O) 16MK : 4528-64-7 2,2-二環(huán)戊酮 2,2-Dimethylcyclopentanone (C6H5)2CHCH2OH 163M : 1883-32-5 2,3,4-三羥基苯甲醛 2,3,4-Trihydroxybenzaldehyde (C6H5)2CHNCO 16C2 : 3066-44-2 2(5H)-噻吩酮 2(5H)-Thiophenone (C6H5)2NCONHCH3 17C8 : 13114-72-2 二乙氧基乙腈 Diethoxyacetonitrile (C6H5)2PC(CH3)3 16V8 : 6002-34-2 N-乙烯基甲酰胺 N-Vinylformamide (C6H5)2PC6H4OH 16QC : 5068-21-3 1,5-二-2-吡咯烷酮 1,5-Dimethyl-2-pyrrolidinone (C6H5)2PK 18N1 : 15475-27-1 2-乙氧羰基-5,7-二羥基-4'-甲氧基異黃酮 2-Carbethoxy-5,7-dihydroxy-4'-methoxyisoflavone (C6H5)2PLi 1AWS : 65567-06-8 (C6H5)2SbC6H4CH3 0ESJ : 312308-62-6 丙烯酸-2,3-環(huán)氧丙酯 Glycidyl acryate (C6H5)3C6H3 1594 : 1165-14-6 甲氧基銅(II) Copper(II) methoxide (C6H5)3CNa 1FCP : 4303-71-3 γ-烯-1,3-二氧戊環(huán)-2-腈 1,3-Dioxolane-2-butyronitrile, gamma--methylene (C6H5)3CSC(O)CH3 15MF : 1727-15-7 N,N-二三異丙基硅烷胺 N,N-Dimethyltriisopropylsilylamine (C6H5)3GeGe(C6H5)3 16A7 : 2816-39-9 2,4-二異丙基苯酚 |