Date published: 2025-10-4

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4-Thiouridine (CAS 13957-31-8)

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Alternate Names:
4-Thiouridine is also known as 4-SU.
Application:
4-Thiouridine is a photoreactive thionucleobase and ribonucleotide analog used as an antisense agent.
CAS Number:
13957-31-8
Purity:
≥95%
Molecular Weight:
260.27
Molecular Formula:
C9H12N2O5S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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4-Thiouridine is a thionucleobase used as an antisense agent. 4-Thiouridine is photoactivatable and widely used for RNA analysis. Compared to uridine, 4-Thiouridine offers an advantage of minimal structural disturbance when incorporating into an RNA chain. RNA activity has a low chance of impairment when substituting uridine for 4-Thiouridine, as they have similar base-pairing properties.


4-Thiouridine (CAS 13957-31-8) References

  1. 4-thiouridine induces dose-dependent reduction of oedema, leucocyte influx and tumour necrosis factor in lung inflammation.  |  Evaldsson, C., et al. 2009. Clin Exp Immunol. 155: 330-8. PMID: 19055686
  2. 4-thiouridine inhibits rRNA synthesis and causes a nucleolar stress response.  |  Burger, K., et al. 2013. RNA Biol. 10: 1623-30. PMID: 24025460
  3. 4-Thiouridine Labeling to Analyze mRNA Turnover in Schizosaccharomyces pombe.  |  Mata, J. and Wise, JA. 2017. Cold Spring Harb Protoc. 2017: PMID: 28461655
  4. Thiol-linked alkylation of RNA to assess expression dynamics.  |  Herzog, VA., et al. 2017. Nat Methods. 14: 1198-1204. PMID: 28945705
  5. Gaining insight into transcriptome-wide RNA population dynamics through the chemistry of 4-thiouridine.  |  Duffy, EE., et al. 2019. Wiley Interdiscip Rev RNA. 10: e1513. PMID: 30370679
  6. Local administration of 4-Thiouridine, a novel molecule with potent anti-inflammatory properties, protects against experimental colitis and arthritis.  |  Jeengar, MK., et al. 2020. Int Immunopharmacol. 85: 106598. PMID: 32442901
  7. The influence of 4-thiouridine labeling on pre-mRNA splicing outcomes.  |  Altieri, JAC. and Hertel, KJ. 2021. PLoS One. 16: e0257503. PMID: 34898625
  8. In Situ Visualizing Nascent RNA by Exploring DNA-Templated Oxidative Amination of 4-Thiouridine.  |  Shang, J., et al. 2022. Bioconjug Chem. 33: 164-171. PMID: 34910465
  9. A bifunctional chemical signature enabling RNA 4-thiouridine enrichment sequencing with single-base resolution.  |  Su, L., et al. 2022. Chem Commun (Camb). 58: 1322-1325. PMID: 34985087
  10. A selective and sensitive detection system for 4-thiouridine modification in RNA.  |  Sugio, Y., et al. 2023. RNA. 29: 241-251. PMID: 36411056

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

4-Thiouridine, 5 mg

sc-204628
5 mg
$66.00

4-Thiouridine, 25 mg

sc-204628A
25 mg
$150.00