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3'- Amino- 3'- deoxyguanosine- 5'- O- triphosphate ( 3'-NH₂-GTP ), sodium salt

Ribose-modified GTP analogue
Cat. No.: A 250
CAS No.: [58045-00-4]
Shipping: Dry ice
Product Name Price (net) Qty
Cat. No.: A 250-05
Unit: 5 µmol / ~2.6 mg

For other salt forms or a guaranteed higher purity please inquire. 3'-NH₂-GTP is an analogue of guanosine-5'-triphosphate, where the ribose 3' hydroxy group has been replaced by an amino group, which allows for conjugation with amine-reactive ligands to yield e.g. fluorescent or immobilized products.


Vial containing 500 µl of 10 mM aqueous solution of pH 7.6.

Cat. No. A 250
CAS number [58045-00-4]
Purity > 95% HPLC
Salt form Sodium
Appearance 10 mM aqueous solution
Storage temperature -70°C / -94°F
Molecular formula C₁₀H₁₇N₆O₁₃P₃ (for free acid)
Molecular weight [g/mol] 522.2 (for free acid)
Absorption max [nm] 252
Molar extinction coefficient ε [L·mol⁻¹·cm⁻¹] 13500
UV pH value 7