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2'- / 3'- O- (5- Bromoanthraniloyl)guanosine- 5'- O- triphosphate ( Br-ANT-GTP )
Fluorescent GTP analogue
Cat. No.: B 152
CAS No.: [pending]
Shipping: Dry ice

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.

The category "Future Products" lists structures that are already "in the pipeline" and nearly ready to be offered as regular products. Please just inquire, your interest will certainly accelerate the process.

Cat. No. B 152
CAS number [pending]
Purity > 95% HPLC
Salt form Sodium
Appearance 10 mM aqueous solution
Storage temperature -70°C / -94°F
Light-sensitive Yes
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