Date published: 2026-5-19

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t-Butyl trifluoroacetate (CAS 400-52-2)

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CAS Number:
400-52-2
Molecular Weight:
170.13
Molecular Formula:
C6H9F3O2
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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t-Butyl trifluoroacetate is a chemical that sees frequent use in organic synthesis, particularly as a protecting group for alcohols. The t-butyl group is known for its steric bulk, which is beneficial in protecting hydroxyl functionalities during reactions where such functional groups may be otherwise reactive. The trifluoroacetate moiety is a good leaving group, facilitating the deprotection step when the protected alcohol is no longer needed. In research labs, t-Butyl trifluoroacetate is often utilized to study reaction mechanisms where protecting groups are pivotal for the successful synthesis of complex organic molecules. Its volatility and reactivity make it a suitable candidate for reactions that require mild and neutral conditions for deprotection, which is essential for the stability of sensitive molecular structures.


t-Butyl trifluoroacetate (CAS 400-52-2) References

  1. Deprotection of N(in)-formyl group on tryptophan by application of new reagent, 1,2-dimethylethylendiamine in aqueous solution.  |  Odagami, T., et al. 2009. Adv Exp Med Biol. 611: 159-60. PMID: 19400139
  2. Removal of t-butyl and t-butoxycarbonyl protecting groups with trifluoroacetic acid. Mechanisms, biproduct formation and evaluation of scavengers.  |  Lundt, BF., et al. 1978. Int J Pept Protein Res. 12: 258-68. PMID: 744685

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

t-Butyl trifluoroacetate, 5 g

sc-301859
5 g
$104.00

t-Butyl trifluoroacetate, 25 g

sc-301859A
25 g
$284.00