MTBSTFA 1% TBDMS. MTBSTFA + 1% TBDMS, 10 X 1ml AMPLULES, Derivatizes hydroxyl, carboxyl, thiol and primary and secondary amines, Typical yields are greater than 96%, Reaction byproducts are neutral and volatile, Provides TBDMS ethers that are 104 times more stable to hydrolysis than TMS ethers