Dimethyl methylphosphonate is a phosphonite reagent used in the generation of phosphinic acid derivative via Arbuzov reaction and as a cyclization reagentin the preparation of 2-substituted penems. It is a chiral intermediate.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.