This product is an estimate mixture of 50% A23187 Magnesium salt (CAS 72124-77-7) and 50% A23187 Calcium salt (CAS 59450-89-4). Many other vendors specify 52665-69-7 as the CAS number of this mixture. Some vendors avoid specifying a CAS number at all. 52665-69-7 belongs to the antibiotic A23187 free acid form, not to any salt of it.
Mixed Calcium-Magnesium salt of A23187 (Calcimycin) is prepared chemically from A23187 (Calcimycin). Calcimycin is a Reagent used in research of the cellular intake of Calcium, and of Apoptosis
Used in cell activation experiments when calcium dose-response data are not required.