中文名:多聚甲醛 別名:多聚甲醛/聚合甲醛/仲甲醛/固體甲醛/聚甲醛/聚氧化甲烯/聚蟻醛/Paraformaldehyde 規(guī)格:CP,94% 包裝:500克 :30525-89-4 保存條件:RT 生化試劑根據(jù)用途不同對其純度及技術均有一定的要求。例如酶試劑,有粗制酶、結晶酶、多次結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化學合成; ③發(fā)酵。 對生化試劑產(chǎn)品的技術要求有: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:12H13N WJA00790 : 2243-89-2 2,4,6-*基聯(lián)苯 2,4,6-trimethyl-1,1'-biphenyl C15H16 WJA00791 : 3976-35-0 2,4,6-*氧基苯乙酸 2,4,6-trimethoxyphenylacetic acid C11H14O5 WJA00792 : 104397-80-0 2,4,6-三氯-5-甲基嘧啶 2,4,6-trichloro-5-methylpyrimidine C5H3Cl3N2 WJA00793 : 1780-36-5 2,4,6-三硝基間苯二酚 2,4,6-trinitroresorcinol C6H3N3O8 WJA00794 : 82-71-3 2,4,6-三溴苯基硫脲 2,4,6-tribromophenylthiourea C7H5Br3N2S WJA00795 : 5337-47-3 2,4,6-三乙烯基-2,4,6-*基環(huán)三硅氧烷 1,3,5-trimethyl-1,3,5-trivinylcyclotrisiloxane C9H18O3Si3 WJA00796 : 3901-77-7 2,4,7-三氯芴 2,4,7-trichlorofluorene C13H7Cl3 WJA00797 : 7061-81-6 2,4/2,6-二氨基甲苯 toluene-ar,ar'-diamine C7H10N2 WJA00798 : 25376-45-8 2,4-D胺 acetic acid,(2,4-dichlorophenoxy)-,compd. with n C8H6Cl2O3·C2H7N WJA00799 : 2008-39-1 2,4-D異辛酯 2,4-d,isooctyl ester C16H22Cl2O3 WJA00800 : 25168-26-7 2,4-滴辛酯 octyl (2,4-dichlorophenoxy)acetate C16H22Cl2O3 WJA00801 : 1928-44-5 2,4-二氨基-5-羥甲基嘧啶 (2,4-diaminopyrimidin-5-yl)methanol C5H8N4O WJA00802 : 42310-45-2 2,4-二氨基-5-溴-6-羥基嘧啶 5-bromo-2,4-diamino-6-hydroxypyrimidine C4H5BrN4O WJA00803 : 6312-72-7 2,4-二氨基-6-氟嘧啶 2,4-diamino-6-fluoropyrimidine C4H5FN4 WJA00804 : 696-83-3 2,4-二氨基-6-巰基嘧啶 2,4-diamino-6-mercaptopyrimidine C4H6N4S WJA00805 : 56-08-6 2,4-二氨基-6-硝基甲苯 2,4-diamino-6-nitrotoluene C7H9N3O2 WJA00806 : 6629-29-4 2,4-二氨基-6-乙氧基嘧啶 2,4-diamino-6-ethoxypyrimidine C6H10N4O WJA00807 : 116436-03-4 2,4-二氨基苯甲醚硫酸鹽 2,4-diaminoanisole sulfate C7H10N2O·H2SO4 WJA00808 : 39156-41-7 2,4-二氨基嘧啶-5-甲醛 2,4-diamino-pyrimidine-5-carbaldehyde C5H6N4O WJA00809 : 20781-06-0 2,4-二苯基咪唑 2,4-diphenylimidazole C15H12N2 WJA00810 : 670-83-7 2,4-二氟-6-硝基苯胺 2,4-difluoro-6-nitroaniline C6H4F2N2O2 WJA00811 : 364-30-7 2,4-二氟-6-硝基苯酚 2,4-difluoro-6-nitrophenol C6H3F2NO3 WJA00812 : 364-31-8 2,4-二甲基-5-醛基-吡咯-3-甲酸乙酯 5-formyl-2,4-dimethyl-1h-pyrrole-3-carboxylic acid ethyl ester C10H13NO3 WJA00813 : 2199-59-9 2',4'-二甲基-6'-硝基乙酰苯胺 2,4-dimethyl-6-nitro acetanilide C10H12N2O3 WJA00814 : 606-38-2 2,4-二甲基吡咯-3,5-二羧酸 3,5-dimethyl-1h-pyrrole-2,4-dicarboxylic acid C8H9NO4 WJA00815 : 5434-29-7 2,4-二甲基-吡咯-3-甲酸乙酯 2,4-dimethyl-1h-pyrrole-3-carboxylic acid ethyl ester C9H13NO2 WJA00816 : 2199-51-1 2,4-二甲基哌啶 2,4-dimethyl piperidine C7H15N WJA00817 : 6287-19-0 2,4-二甲基噻吩 2,4-dimethylthiophene C6H8S WJA00818 : 638-00-6 2,4-二甲氧基-6-甲基苯甲醛 2,4-dimethoxy-6-methylbenzaldehyde C10H12O3 WJA00819 : 7149-90-8 2,4-二氯-5-氟乙酰苯胺 2',4'-dinitro-5'-fluoroacetanilide C8H6FN3O5 WJA00820 : 1548-18-1 2,4-二氯-5-三氟甲基嘧啶 2,4-dichloro-5-(trifluoromethyl)pyrimidine C5HCl2F3N2 WJA00821 : 3932-97-6 2,4-二-6-苯基-1,3,5-三嗪 2-[(4-amino-3-chloro)benzoyl]benzoic acid C9H5Cl2N3 WJA00822 : 1700-02-3 2,4-二氯-6-三氟甲基嘧啶 2,4-dichloro-6-(trifluoromethyl)pyrimidine C5HCl2F3N2 WJA00823 : 16097-64-6 2,4-二丙炔基醚 2,4-dichlorophenyl propargyl ether C9H6Cl2O WJA00824 : 17061-90-4 2,4-二氯苯 2,4-dichloro-1-ethoxybenzene C8H8Cl2O WJA00825 : 5392-86-9 2,4-二氯苯乙酸乙酯 ethyl 2,4-dichlorophenyl acetate C10H10Cl2O2 WJA00826 : 41022-54-2 2,4-二氯苯重氮四氟硼酸鹽 2,4-dichlorobenzenediazoniumtetrafluoroborate C6H3BCl2F4N2 WJA00827 : 21872-70-8 2,4-二氯扁桃酸 2,4-dichloro mandelic acid C8H6Cl2O3 WJA00828 : 7554-78-1 2,4-二氯喹唑啉 2,4-dichloroquinazoline C8H4Cl2N2 WJA00829 : 607-68-1 2,4'-二氯聯(lián)苯 2,4'-dichlorobiphenyl C12H8Cl2 WJA00830 : 34883-43-7 2,4-二氯聯(lián)苯 2,4-dichlorobiphenyl C12H8Cl2 WJA00831 : 33284-50-3 |