CAS Registry Number

CAS 865-50-9 — Methyl iodide-D(3), >99 (atom % D)

Methyl iodide-D(3), also known as deuterated methyl iodide, is a stable isotope-labeled compound primarily used in mass spectrometry, isotopic labeling studies, and analytical chemistry for precise quantification and structural analysis. This deuterated variant replaces hydrogen atoms with deuterium, enabling accurate isotopic tracing and calibration. Methyl iodide-D(3) has a CAS number of 865-50-9, with the molecular formula CD3I and a molecular weight of 144.96. It must be stored at 2 to 8°C and carries a **Danger** signal word due to its hazardous nature. Molekula supplies Methyl iodide-D(3) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.