Biological Magnetic Resonance Data Bank

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


Erythromycin synonyms



Graphical representations:


View large 3D structure

Molecular Formula: C37H67NO13

Natural Isotopic Abundance Mass: 733.92678

Mono-Isotopic Molecular Masses:

  • C12N14: 733.4612412432
  • C13N14: 770.5853702418
  • C12N15: 734.4582761364
  • C13N15: 771.582405135

InChI string: InChI=1S/C37H67NO13/c1-14-25-37(10,45)30(41)20(4)27(39)18(2)16-35(8,44)32(51-34-28(40)24(38(11)12)15-19(3)47-34)21(5)29(22(6)33(43)49-25)50-26-17-36(9,46-13)31(42)23(7)48-26/h18-26,28-32,34,40-42,44-45H,14-17H2,1-13H3/t18-,19-,20+,21+,22-,23+,24+,25-,26+,28-,29-,30-,31+,32-,34-,35-,36-,37-/m1/s1

PubChem Compound (CID): 16212992
Sigma-Aldrich: E6376_SIAL
ChemSpider: 17340748
MMCD: cq_01224
MDL: MFCD00084654
PDB Compound ID: ERY

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,