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-Hydroxy-4-(methylthio)benzoic Acid
67127-67-7
50mg
(R)-4-(Hydroxymethyl)oxazolidin-2-one
132682-23-6
1g
7-Hydroxy-4-chromone
59887-89-7
500mg
4-Hydroxy-β-Carboxy Tamoxifen N-β-D-Glucuronide
5mg
(E)-5-((6-Hydroxy-1H-indol-3-yl)methylene)-3-(4-methylbenzyl)thiazolidine-2,4-dione
25mg
(E)-5-((4-Hydroxy-1H-indol-3-yl)methylene)-3-(4-methylbenzyl)thiazolidine-2,4-dione
25mg
(E)-5-((2-Hydroxy-1H-indol-3-yl)methylene)-3-(4-methylbenzyl)thiazolidine-2,4-dione
50mg
N-Hydroxy Guanfacine
199658-79-2
25mg
(2E)-N-Hydroxy-3-(5-methoxy[1,1':4',1''-terphenyl]-2-yl)-2-propenamide
1417997-93-3
5mg
(S)-1-(3-Hydroxy-3-methylbutanamido)-1-oxo-3-phenylpropan-2-aminium Chloride
10mg
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