CAS Number: 3536-96-7 Formula: C2H3ClMg Formula Weight: 86.8 Linear Formula: CH2=CHMgCl MDL No.: MFCD00013594 Density: 0.978 g/mL at 25 C Beilstein Registry Number: 3535268 UNSPSC Code: 12352103 Application: Used with iron pentadienoate complexes in a synthesis of divinyl cyclopropanes.