一级标准物质-二级标准物质→【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

1-Ethyl-1,4-dihydro-7-methyl-4-oxo-1,8-naphthyridine-3-

10mg
Ethylene Glycol Mono-p-tolyl Ether

15149-10-7 500mg
Ethyl 4-Isopropyl-6-methyl-2-oxo-1,2,3,4-tetrahydro-5-pyrimidinecarboxylate

198826-86-7 100mg
Ethyl 1-((tert-Butoxycarbonyl)amino)cyclopropanecarboxylate

107259-05-2 100mg
Ethyl 2-(4-(tert-butoxycarbonyl)piperazin-1-yl)-4-methylpyrimidine-5-carboxylate

1150163-72-6 250mg
6-Ethylidene-Obeticholic Acid

1885104-64-2 5mg
Ethyl 3-Hydroxyphenylacetate

22446-38-4 1g
5-Ethyl-3-hydroxy-4-methyl-2(5H)-furanone

698-10-2 5g
Ethyl 2-(4-Hydroxyphenyl)-4-methylthiazole-5-carboxylate

161797-99-5 500mg
2-Ethylhexyl 4-Nitrobenzoate

16397-70-9 500mg

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