N1-Methylpseudouridine

N1-Methylpseudouridine (abbreviated m1Ψ) is a natural archaeal tRNA component, component of mammalian ribosomal RNA, and "hypermodified" pyrimidine nucleoside used in biochemistry and molecular biology for in vitro transcription and is found in the SARS-CoV-2 mRNA vaccines tozinameran (PfizerBioNTech) and elasomeran (Moderna).

N1-Methylpseudouridine
Names
IUPAC name
5-[(2S,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1-methylpyrimidine-2,4-dione
Other names
1-Methylpseudouridine; m1Ψ
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
UNII
  • InChI=1S/C10H14N2O6/c1-12-2-4(9(16)11-10(12)17)8-7(15)6(14)5(3-13)18-8/h2,5-8,13-15H,3H2,1H3,(H,11,16,17)/t5-,6-,7-,8+/m1/s1
    Key: UVBYMVOUBXYSFV-XUTVFYLZSA-N
  • O[C@H]1[C@@](O[C@H](CO)[C@H]1O)(C=2C(=O)NC(=O)N(C)C2)[H]
Properties
C10H14N2O6
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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