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
7-Hydroxy-4-chromone
59887-89-7
500mg
(E)-5-((4-Hydroxy-1H-indol-3-yl)methylene)-3-(4-methylbenzyl)thiazolidine-2,4-dione
25mg
N-Hydroxy Guanfacine
199658-79-2
25mg
(S)-1-(3-Hydroxy-3-methylbutanamido)-1-oxo-3-phenylpropan-2-aminium Chloride
10mg
17β-Hydroxy-17-ethyl-estra-5(10),9(11)-dien-3-one Cyclic 1,2 Ethanediyl Acetal
25mg
Hydroxyatenolol-d7
10mg
3-(N-Hydroxyamino)propyl Phosphonate
66508-11-0
25mg
7-Hydroxyisoindolin-1-one
1033809-85-6
5mg
6-Hydroxy Albaconazole
25mg
(E)-4-(((S)-1-((1r,3R,5R,7S)-3-Hydroxyadamantan-1-yl)-2-((1S,3R,5S)-3-isocyano-2-azabicycl
5mg
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