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B7272 SIGMA 4-Bromo-calcium Ionophore A23187 powder Synonym: 4-Bromo-A23187, 4-Bromo-calcimycin CAS Number 76455-48-6 Empirical Formula (Hill Notation) C29H36BrN3O6 Molecular Weight 602.52 form powder color yellow solubility ethanol: soluble20 mg/mL DMSO: soluble storage temp. 2-8°C Application Nonfluorescent Ca2+ ionophore that can be used to calibrate the quantitation of cytoplasmic free Ca2+ with fluorescent probes. Biochem/physiol Actions Ca2+ ionophore that is used to potentiate responses to NMDA, but not quisqualate. Other Notes Analog of calcium ionophore A23187
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