CAS: 762-04-9 Molecular Formula: C4H10O3P+ Molecular Weight (g/mol): 137.095 MDL Number: MFCD00044573 InChI Key: LXCYSACZTOKNNS-UHFFFAOYSA-N Synonym: diethyl phosphite,diethyl phosphonate,phosphonic acid, diethyl ester,phosphonic acid diethyl ester,diethoxyphosphine oxide,hydrogen diethyl phosphite,diethyl acid phosphite,o,o-diethyl phosphonate,phosphorous acid, diethyl ester,ethyl phosphonate eto 2hpo PubChem CID: 6327654 IUPAC Name: diethoxy(oxo)phosphanium SMILES: CCO[P+](=O)OCC