Date published: 2026-4-26

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5′-O-tert-Butyldimethylsilylthymidine (CAS 40733-28-6)

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Alternate Names:
5′-O-(t-Butyldimethylsilyl)thymidine
CAS Number:
40733-28-6
Molecular Weight:
356.49
Molecular Formula:
C16H28N2O5Si
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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5′-O-Tert-butyldimethylsilylthymidine (5-TBDMS-T) represents a modified version of thymidine, a nucleoside prominently present in DNA and RNA. This modified variant, 5′-O-Tert-butyldimethylsilylthymidine, has garnered considerable attention in scientific experiments owing to its remarkable adaptability to be modified with a wide array of functional groups. Additionally, it serves as a valuable substrate for techniques like polymerase chain reaction (PCR) and other nucleic acid amplification methods. Similar to its unmodified counterpart, 5′-O-Tert-butyldimethylsilylthymidine operates through a mechanism akin to thymidine. During replication, it becomes incorporated into DNA and RNA strands, fulfilling its role in the synthesis of these nucleic acids. Moreover, it serves as a substrate for enzymes involved in the metabolism of DNA and RNA, further contributing to its significance in cellular processes.


5′-O-tert-Butyldimethylsilylthymidine (CAS 40733-28-6) References

  1. Synthesis of 3'-C-substituted thymidine derivatives by free-radical techniques: scope and limitations.  |  Horton, D., et al. 2007. Carbohydr Res. 342: 259-67. PMID: 17173879
  2. Solvent-controlled regioselective protection of 5'-O-protected thymidine.  |  Teste, K., et al. 2008. Carbohydr Res. 343: 1490-5. PMID: 18479677
  3. Design and synthesis of α-carboxy phosphononucleosides.  |  Debarge, S., et al. 2011. J Org Chem. 76: 105-26. PMID: 21121618

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

5′-O-tert-Butyldimethylsilylthymidine, 1 g

sc-262736
1 g
$177.00

5′-O-tert-Butyldimethylsilylthymidine, 5 g

sc-262736A
5 g
$421.00