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2'- / 3'- O- (N'- Methylanthraniloyl)guanosine- 5'- O- [(β, γ)- methylenetriphosphate] ( MANT-GppCp )
Hydrolysis resistant, fluorescent GTP analogue
Cat. No.: M 129
CAS No.: [pending]
Shipping: Dry ice

For other salt forms or a guaranteed higher purity please inquire. MANT-GppCp is a fluorescent analogue of GTP where two bridging oxygen atoms in the phosphate chain are replaced by methylene groups in order to resist hydrolysis.


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. M 129
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 C₁₉H₂₅N₆O₁₄P₃ (for free acid)
Molecular weight [g/mol] 654.36 (for free acid)
Excitation max [nm] 357
Emission max [nm] 446
Absorption max [nm] 252
Molar extinction coefficient ε [L·mol⁻¹·cm⁻¹] 21500
UV pH value 7
Solvent for UV data Water