Date published: 2025-9-30

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6-Aza-2-thiothymine (CAS 615-76-9)

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CAS Number:
615-76-9
Purity:
98%
Molecular Weight:
143.17
Molecular Formula:
C4H5N3OS
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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6-Aza-2-thiothymine is a heterocyclic compound that is of interest in the field of nucleic acid chemistry. It is an analog of thymine, one of the four nucleobases in the DNA molecule, with a nitrogen atom replacing a carbon in the ring structure and a sulfur atom substituting for an oxygen atom. This compound is primarily used in studies aimed at understanding the effects of such modifications on the structure, stability, and functionality of nucleic acids. Researchers employ 6-Aza-2-thiothymine to probe the specificity of DNA polymerases and other enzymes that interact with nucleic acids, as its altered hydrogen bonding pattern provides insights into enzyme-substrate recognition. Additionally, it is used in the design of novel oligonucleotides with potential applications in antisense technology and as probes for DNA-protein interactions. Its incorporation into DNA strands helps in studying the physicochemical properties of nucleic acids, including their duplex formation, thermal stability, and response to mutagenic agents.


6-Aza-2-thiothymine (CAS 615-76-9) References

  1. Enhanced detection of oligonucleotides in UV MALDI MS using the tetraamine spermine as a matrix additive.  |  Asara, JM. and Allison, J. 1999. Anal Chem. 71: 2866-70. PMID: 10424173
  2. UV-induced generation of rare tautomers of 2-thiouracils: a matrix isolation study.  |  Khvorostov, A., et al. 2005. J Phys Chem A. 109: 7700-7. PMID: 16834144
  3. Low-energy electron capture by 6-Aza-2-thiothymine: investigations by electron attachment and electron transmission spectroscopies.  |  Pshenichnyuk, SA., et al. 2007. J Phys Chem A. 111: 11837-42. PMID: 17960921
  4. Analysis of oxidized phospholipids by MALDI mass spectrometry using 6-aza-2-thiothymine together with matrix additives and disposable target surfaces.  |  Stübiger, G., et al. 2010. Anal Chem. 82: 5502-10. PMID: 20533831
  5. Excited-state dynamics of 6-aza-2-thiothymine and 2-thiothymine: highly efficient intersystem crossing and singlet oxygen photosensitization.  |  Kuramochi, H., et al. 2010. J Phys Chem B. 114: 8782-9. PMID: 20552955
  6. On the population of triplet excited states of 6-aza-2-thiothymine.  |  Gobbo, JP. and Borin, AC. 2013. J Phys Chem A. 117: 5589-96. PMID: 23777466
  7. The detection of intact double-stranded DNA by MALDI.  |  Lecchi, P. and Pannell, LK. 1995. J Am Soc Mass Spectrom. 6: 972-5. PMID: 24214041
  8. Efficient and Monochromatic Electrochemiluminescence of Aqueous-Soluble Au Nanoclusters via Host-Guest Recognition.  |  Yang, L., et al. 2019. Angew Chem Int Ed Engl. 58: 6901-6905. PMID: 30945424
  9. Assembly of 6-aza-2-thiothymine on gold nanoparticles for selective and sensitive colorimetric detection of pencycuron in water and food samples.  |  Kailasa, SK., et al. 2019. Talanta. 205: 120087. PMID: 31450484
  10. Modular engineering of gold-silver nanocluster supermolecular structure endow strong electrochemiluminescence for ultrasensitive bioanalysis.  |  Zhou, Y., et al. 2021. Biosens Bioelectron. 190: 113449. PMID: 34166944
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  12. Analysis of acidic oligosaccharides and glycopeptides by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry.  |  Papac, DI., et al. 1996. Anal Chem. 68: 3215-23. PMID: 8797382
  13. Detection of non-covalent interaction of single and double stranded DNA with peptides by MALDI-TOF.  |  Lin, S., et al. 1998. Proteins. Suppl 2: 12-21. PMID: 9849906

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

6-Aza-2-thiothymine, 5 g

sc-239089
5 g
$92.00

6-Aza-2-thiothymine, 25 g

sc-239089A
25 g
$377.00

6-Aza-2-thiothymine, 100 g

sc-239089B
100 g
$510.00