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2'- O- Methylguanosine- 5'- O- (1- thiotriphosphate), Sp- isomer ( Sp-2'-O-Me-GTP-α-S ), sodium salt
Cat. No.: M 113
CAS No.: [143029-02-1]
Shipping: Dry ice
Product Name Price (net) Qty
Cat. No.: M 113-05
Unit: 5 µmol / ~2.8 mg

For other salt forms or a guaranteed higher purity please inquire. Analogue of GTP which can be useful for enzymatic introduction of phosphorothioate and modified 2'-OH groups into RNA, e.g. for Nucleotide Analog Interference Mapping. Detailed technical information available.


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

Cat. No. M 113
CAS number [143029-02-1]
Purity > 95% HPLC
Salt form Sodium
Appearance 10 mM aqueous solution of pH 7.6
Storage temperature -70°C / -94°F
Molecular formula C₁₁H₁₈N₅O₁₃P₃S (free acid)
Molecular weight [g/mol] 553.3 (free acid)
Absorption max [nm] 252
Molar extinction coefficient ε [L·mol⁻¹·cm⁻¹] 14300