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
2-O-tert-Butyldimethylsilylemtricitabine Tenofovir Disoproxil Dimer
5mg
3-tert-Butyldimethylsilyloxy-9-octadecenoic Acid Ethyl Ester
25mg
4-[(Diethylamino)methyl]benzoic Acid
62642-59-5
100mg
3-tert-Butyldimethylsilyloxy-9-octadecenoic Acid
25mg
4-(Diethylamino)benzophenone
18127-87-2
100mg
3-tert-Butyldimethylsilyloxyoleyl Carnitine 4-Methoxybenzyl Ester
5mg
3,4-Dibutoxycyclobut-3-ene-1,2-dione
2892-62-8
100mg
3-tert-Butyldimethylsilyloxyoleyl Carnitine Ester (Mixture of Chloride and Bromide Salts)
2.5mg
(E)-7-((1R,2R,3R,5S)-3,5-Bis((tert-butyldimethylsilyl)oxy)-2-((S)-3-((tert-butyldimethylsi
1mg
3-(3,5-Dimethylphenyl)propanoic Acid
42287-87-6
100mg
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