Biological Magnetic Resonance Data Bank

A Repository for Data from NMR Spectroscopy on Proteins, Peptides, Nucleic Acids, and other Biomolecules
Member of WWPDB


Graphical representations:


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Molecular Formula: C21H20O8

Natural Isotopic Abundance Mass: 400.3787

Mono-Isotopic Molecular Masses:

  • C12N14: 400.1158176188
  • C13N14: 421.1862692126
  • C12N15: 400.1158176188
  • C13N15: 421.1862692126

InChI string: InChI=1S/C21H20O8/c1-27-16-7-10(4-5-14(16)22)18-12-9-15(23)17(28-2)8-11(12)6-13(20(24)25)19(18)21(26)29-3/h4-9,18-19,22-23H,1-3H3,(H,24,25)/t18-,19-/m0/s1

USDA_NMR_database: 2062

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.

InChI string and atom numbering calculated using ALATIS (Hesam Dashti, William M. Westler, John L. Markley, Hamid R. Eghbalnia, "Unique identifiers for small molecules enable rigorous labeling of their atoms", Scientific Data 4, Article number: 170073 (2017), doi:10.1038/sdata.2017.73,