CA Index Name: Imidazo[1,2-α]pyrazin-3(7H)-one, (cyclopentylmethyl)-6-(4-hydroxyphenyl)-2-[(4-hydroxyphenyl)methyl]-
Other Names: CLZN-cp; Coelenterazine cp
Merck Index Number: Not listed
Chemical / Dye Class: Heterocycle; Imidazo[1,2-α]pyrazin-3(7H)-one
Molecular Formula: C25H25N3O3
Molecular Weight: 415.48
Physical Form: Yellow powder
Solubility: Soluble in ethanol, methanol
Melting Point: > 200 °C
Boiling Point: 615.1 ± 65.0 °C, pressure: 760 Torr
pKa: 9.91 ± 0.15, most acidic, temperature: 25 °C; 6.65 ± 0.60, most basic, temperature: 25 °C
Absorption (λmax): 430 nm
Emission (λmax): 442 nm
Synthesis: Synthetic method
Staining Applications: Calcium ions
Biological Applications: Calcium indicator; measuring luciferase activity; as a substrate for luciferase; screening HIV-1 protease inhibitors
Industrial Applications: Not reported
Safety / Toxicity: No data available