For other salt forms or a guaranteed higher purity please inquire. Analogue of guanosine-5'-triphosphate with only moderate intrinsic fluorescence (λexc 346 nm, λem ~426 nm). The fluorophore has a certain sensitivity for its environment and is supposed to change its spectral properties upon binding. Useful for research into GTP-dependent receptor proteins.
Vial containing 500 µl of 10 mM aqueous solution of pH 7.6.
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|Cat. No.||B 152|
|Purity||> 95% HPLC|
|Appearance||10 mM aqueous solution|
|Storage temperature||-70°C / -94°F|
|Molecular formula||C₁₇H₂₀BrN₆O₁₅P₃ (for free acid)|
|Molecular weight [g/mol]||721.2 (for free acid)|
|Excitation max [nm]||346|
|Emission max [nm]||426|
|Absorption max [nm]||345|
|Molar extinction coefficient ε [L·mol⁻¹·cm⁻¹]||4800|
|UV pH value||7|
|Solvent for UV data||Water|