Phosphoroamidite Synthetic Pathway Figure 1. Synthetic pathway of amino linker or spacer phosphoramidite preparation utilizing Fidelity Systems proprietary MOX precursor methodology Contact Us Address Fidelity Oligos LLC7965 Cessna AveGaithersburg, MD 20879 Email Support@fidelityoligos.com Telephone/Fax Phone: 301-527-0804Fax: 301-527-8250