产品编号 CAS号 产品名称 加入购物车
R117151 68-04-2 柠檬酸三钠
R117121 63231-67-4 柱层析硅胶粉
Silica Gel
R014902 75-09-2 二氯甲烷
1-Nitrosopiperidine
R009059 64-17-5 无水乙醇
Ethanol
R000486 407-25-0 三氟乙酸酐
Trifluoroacetic Anhydride
R000442 31183-11-6 锌 5,10,15,20-四(4-吡啶基)-21 H ,23 H -卟啉
Zinc 5,10,15,20-tetra(4-pyridyl)-21H,23H-porphine
R000345 1011714-83-2 4,4’-二[6-(丙烯酰基氧基)己氧基]偶氮苯
4,4’-Bis[6-(acryloyloxy)hexyloxy]azobenzene
R000240 122454-29-9 溴代吡咯腈
4-Bromo-2-(4-chlorophenyl)-5-(trifluoromethyl)-1H-pyrrole-3-carbonitrile
R021127 氨氮溶液标准物质
Ammonia as N IC standard
R116610 硝酸根(硝酸钠)离子标准溶液(以硝酸根计)
Nitrate ion standard solution