CAS Registry Number

CAS 40615-39-2 — 5'-O-(4,4'-Dimethoxytrityl)thymidine (DMT-T)

5'-O-(4,4'-Dimethoxytrityl)thymidine (DMT-T) is a protected nucleoside widely used in oligonucleotide synthesis as a key building block for DNA sequences. It features a 4,4'-dimethoxytrityl (DMT) protecting group at the 5' hydroxyl, enabling controlled chain elongation during phosphoramidite chemistry. This chemical has a CAS number of 40615-39-2, molecular formula C31H32N2O7, and a molecular weight of 544.59 g/mol. Store at 2–8°C under inert conditions to preserve stability. The product carries a **Warning** signal word due to potential skin/eye irritation. Molekula supplies 5'-O-(4,4'-Dimethoxytrityl)thymidine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.