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
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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

α-Hydroxy Olopatadine (>90%)

1331822-32-2 10mg
5-(hydroxymethyl)-3-methyl-1,3-oxazolidin-2-one

97899-29-1 50mg
1-(hydroxymethyl)cyclopentan-1-ol

74397-18-5 50mg
4-Hydroxy-5,6-dihydropyridin-2(1H)-one

500102-31-8 500mg
1-(hydroxymethyl)cyclobutanecarbonitrile

956531-83-2 50mg
4-(hydroxymethyl)azetidin-2-one

74694-48-7 50mg
1-{[4-(hydroxymethyl)phenyl]sulfanyl}-N,N-dimethylformamide

1461704-91-5 50mg
Hydroxy Metronidazole

4812-40-2 25mg
5-Hydroxy-N-methyl-2-pyrrolidinone

41194-00-7 100mg
3-(hydroxymethyl)-1-methyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one

1260656-84-5 5mg

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