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عامل التفاعل الميثيلي عالي DMS ديميثيل كبريتات ميثيل كبريتات سائل 99 في المئة

Dimethyl sulfate (Methyl sulfate), 99% Methylating Agent DMS Dimethyl sulfate (DMS) is a high-purity, highly reactive methylating agent widely employed in the synthesis of pharmaceutical, agrochemicals, dyes, and fine chemicals. Supplied as a clear, colorless to pale yellow liquid with a minimum assay of 99%, it delivers exceptional methylation efficiency for oxygen, nitrogen, and sulfur nucleophiles. Its consistent performance, combined with rigorous quality control and