标准样品-国家标准样品→【埃尔文】

一级标准物质
标准样品
质控品
计量院标准物质
环保部标准物质
农残标准物质
铁标准物质
冶金标样
土壤标准物质
中检院标准物质

N-Hydroxy Norfloxacin

109142-49-6 10mg
5-(hydroxymethyl)-1-methyl-1H-pyrrole-2-carbonitrile

203792-35-2 50mg
2-hydroxy-5-methylbenzonitrile

51282-90-7 50mg
4-Hydroxy-3-nitrophenylacetic Acid-d5 (Major)

929709-59-1
3-hydroxy-1-methylpyrrolidine-2,5-dione

19948-27-7 50mg
(2E)-4-(3-Hydroxy-2-nitrophenyl)-4-oxo-2-butenoic Acid Methyl Ester

224044-67-1 10mg
6-(hydroxymethylidene)-3,6-dihydropyridin-3-one

31191-08-9 500mg
4-hydroxy-1-methyl-3-oxo-1H,2H,3H-pyrazolo[3,4-b]pyridine-5-carboxylic acid

1305712-33-7 50mg
4-[(3-Hydroxymethylphenyl)amino]-3-pyridine-sulfonamide

1329838-21-2 250mg
6-hydroxy-5-methylpyridin-3-ylboronic acid

1356087-46-1 50mg

上一页
405
406
407
下一页

电话咨询

标准对照品资源信息网

全国统一客服热线：0376-3269266