一级标准物质-二级标准物质→【埃尔文】

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

(3S,4S)-3-Hydroxy-1-(4-methoxyphenyl)-4-phenyl-2-azetidinone

194235-02-4 2.5mg
2'-Hydroxy-4'-methoxybiphenyl-3-carboxylic acid

1215206-20-4 250mg
5-Hydroxy-2-methylbenzoic acid

578-22-3 250mg
2-Hydroxy-4-methylphenylboronic acid

259209-25-1 50mg
2-Hydroxymethyl-4-methoxyphenylboronic acid

762263-92-3 250mg
((HYNIC)-D-alanyl)-L-proline-boronic Acid

5mg
42-O-[2-[[Hydroxy[2-(trimethylammonio)ethoxy]phosphinyl]oxy]ethyl] Rapamycin Inner Salt &a

1062645-51-5 1mg
α-Hydroxy Trimethoprim-D3 (Major)

10mg
7-Hydroxy-[1,2,4]triazolo[1,5-a]pyrimidin-5(1H)-one

40775-75-5 10g
4-Hydroxy-1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-2(1H)-pyridinone

23220-74-8 250 mg

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