Sigma-Aldrich
乙腈, suitable for HPLC, gradient grade, ≥99.9%
Sigma-Aldrich
N,N-二甲基甲酰胺, anhydrous, 99.8%
Sigma-Aldrich
乙腈, anhydrous, 99.8%
Sigma-Aldrich
N,N-二甲基甲酰胺, suitable for HPLC, ≥99.9%
Sigma-Aldrich
N,N-二甲基甲酰胺, ACS reagent, ≥99.8%
Sigma-Aldrich
乙腈, ACS reagent, ≥99.5%
Sigma-Aldrich
乙腈, for HPLC, for UV, ≥99.9% (GC)
Sigma-Aldrich
乙腈, suitable for HPLC, gradient grade, ≥99.9%
Sigma-Aldrich
N,N-二甲基甲酰胺, for molecular biology, ≥99%
Sigma-Aldrich
N,N-二甲基甲酰胺, puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99.8% (GC)
Sigma-Aldrich
N,N-二甲基甲酰胺, ReagentPlus®, ≥99%
Supelco
N,N-二甲基甲酰胺, Pharmaceutical Secondary Standard; Certified Reference Material
Sigma-Aldrich
高氯酸镁, ACS reagent
Supelco
乙腈, Pharmaceutical Secondary Standard; Certified Reference Material
Sigma-Aldrich
乙腈, suitable for HPLC-GC, ≥99.8% (GC)
Sigma-Aldrich
N,N-二甲基甲酰胺, biotech. grade, ≥99.9%
Supelco
乙腈, analytical standard
Supelco
N,N-二甲基甲酰胺, analytical standard
Sigma-Aldrich
乙腈, ReagentPlus®, 99%
Sigma-Aldrich
乙腈, biotech. grade, ≥99.93%
Sigma-Aldrich
高氯酸镁, puriss. p.a., drying agent, ACS reagent, ≥98.0% (calc. based on dry substance, KT)
Sigma-Aldrich
六氟磷酸钾, 99.5% trace metals basis
Sigma-Aldrich
乙腈, suitable for DNA synthesis, ≥99.9% (GC)
Sigma-Aldrich
乙腈, electronic grade, 99.999% trace metals basis
Sigma-Aldrich
高氯酸镁, puriss., free-flowing powder, ≥99.0% (calc. based on dry substance, KT)
Supelco
残留溶剂-乙腈, Pharmaceutical Secondary Standard; Certified Reference Material
Sigma-Aldrich
乙腈, ≥99.5% (GC)
USP
二类残留溶剂 - 甲醇, United States Pharmacopeia (USP) Reference Standard
Sigma-Aldrich
乙腈, Preparateur, ≥99.9% (GC), One-time steel-plastic (SP) drum