N,N-二甲基甲酰胺,N,N-Dimethylformamide [DMF];anhydrous, 99.8%
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酒石酸钾钠四水合物 [罗谢尔盐四水合物],Potassium sodium tartrate tetrahydrate;99.98% trace metals basis -
DL-甲硫氨酸 [DL-蛋氨酸],DL-Methionine;Pharmaceutical Secondary Standard; Certified Reference Material -
2-甲基-1-丙醇 [异丁醇],2-Methyl-1-propanol;puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99% (GC) -
β-丙氨酸,β-Alanine;analytical standard, ≥98.0% (HPLC)
