Sigma-Aldrich
甲醇, suitable for HPLC, ≥99.9%
Sigma-Aldrich
二甲基亚砜-d 6, 99.9 atom % D
Sigma-Aldrich
甲醇, ACS reagent, ≥99.8%
Sigma-Aldrich
二氯甲烷, anhydrous, ≥99.8%, contains 40-150 ppm amylene as stabilizer
Sigma-Aldrich
乙酸乙酯, ACS reagent, ≥99.5%
Sigma-Aldrich
二氯甲烷, suitable for HPLC, ≥99.8%, contains amylene as stabilizer
Sigma-Aldrich
二氯甲烷, contains 40-150 ppm amylene as stabilizer, ACS reagent, ≥99.5%
Sigma-Aldrich
甲醇, anhydrous, 99.8%
Sigma-Aldrich
乙酸乙酯, suitable for HPLC, ≥99.7%
Sigma-Aldrich
硫酸钠, ACS reagent, ≥99.0%, anhydrous, granular
Sigma-Aldrich
二甲基亚砜-d 6, 99.9 atom % D, contains 0.03 % (v/v) TMS
Sigma-Aldrich
二氯甲烷, HPLC Plus, for HPLC, GC, and residue analysis, ≥99.9%, contains 50-150 ppm amylene as stabilizer
Sigma-Aldrich
甲醇, HPLC Plus, ≥99.9%
Sigma-Aldrich
乙酸乙酯, anhydrous, 99.8%
Sigma-Aldrich
溴化钾, FT-IR grade, ≥99% trace metals basis
Sigma-Aldrich
硫酸钠, ACS reagent, ≥99.0%, anhydrous, powder
Sigma-Aldrich
甲醇, suitable for HPLC, gradient grade, ≥99.9%
Sigma-Aldrich
乙酸乙酯, HPLC Plus, for HPLC, GC, and residue analysis, 99.9%
Sigma-Aldrich
二甲基亚砜-d 6, 99.5 atom % D
Sigma-Aldrich
乙二胺四乙酸, ACS reagent, 99.4-100.6%, powder
Sigma-Aldrich
乙二胺四乙酸 二钠盐 溶液, BioUltra, for molecular biology, pH 8.0, ~0.5 M in H2O
Sigma-Aldrich
甲醇, suitable for HPLC, gradient grade, suitable as ACS-grade LC reagent, ≥99.9%
Sigma-Aldrich
甲醇, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.8% (GC)
Sigma-Aldrich
乙二胺四乙酸, BioUltra, anhydrous, ≥99% (titration)
Sigma-Aldrich
溴化钾, ACS reagent, ≥99.0%
Sigma-Aldrich
乙二胺四乙酸 溶液, 0.02% in DPBS (0.5 mM), sterile-filtered, BioReagent, suitable for cell culture
Supelco
甲醇, Pharmaceutical Secondary Standard; Certified Reference Material
Sigma-Aldrich
二氯甲烷, puriss. p.a., ACS reagent, reag. ISO, ≥99.9% (GC)
Supelco
甲醇, analytical standard
Sigma-Aldrich
甲醇, Laboratory Reagent, ≥99.6%