1-stearoyl-sn-glycero-3-phosphocholine is a lysophosphatidylcholine 18:0 in which the acyl substituent is located at position 1 and is specified as stearoyl. It has a role as an apoptosis inducer and a mouse metabolite. It is a 1-O-acyl-sn-glycero-3-phosphocholine and a lysophosphatidylcholine 18:0. It is functionally related to an octadecanoic acid.