计量院标准物质-中国计量院标准物质→【埃尔文】

一级标准物质
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计量院标准物质
环保部标准物质
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铁标准物质
冶金标样
土壤标准物质
中检院标准物质

2-(ethylsulfanyl)acetonitrile

53250-09-2 50mg
ethyl 2,2-difluoro-2-(3-oxocyclopentyl)acetate

1423034-15-4 50mg
ethyl 3-bromo-1-tert-butyl-1H-pyrazole-4-carboxylate

1407966-16-8 50mg
ethyl 5-iodothiophene-3-carboxylate

1496383-74-4 50mg
[5-(ethylsulfanyl)-4-methyl-4H-1,2,4-triazol-3-yl]methanamine dihydrochloride

1461714-17-9 50mg
Ethyl 6-(2-Chloro-2-(4,4-dimethylthiochroman-6-yl)vinyl)nicotinate

2.5mg
3-(1-ethyl-1H-imidazol-2-yl)prop-2-enoic acid

1344788-51-7 10mg
ethyl 2-[3-(3,4-dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]acetate

1375184-09-0 50mg
ethyl 6-bromo-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylate

1396779-99-9 10mg
Ethyl 6-Bromo-4-chloroquinazoline-2-carboxylate

1159976-38-1 50mg

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