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Clinical data
Legal status
CAS number 511-09-1 YesY
ATC code ?
PubChem CID 134551
ChemSpider 118591 N
Chemical data
Formula C32H41N5O5 
Mol. mass 575.698 g/mol
 N (what is this?)  (verify)

Ergocryptine is an ergopeptine and one of the ergot alkaloids. It is isolated from ergot or fermentation broth and it serves as starting material for the production of bromocriptine.[1]


Ergocryptine is a mixture of two very similar compounds, alpha- and beta-ergocryptine.[2] The beta differs from the alpha form only in the position of a single methyl group, which is a consequence of the biosynthesis in which the proteinogenic amino acid leucine is replaced by isoleucine.

See also[edit]


  1. ^ Kren V., Cvak L. "Ergot: the genus Claviceps". Amsterdam: Harwood Academic Publishers; 1999. p. 399–401
  2. ^ Yates, S. G.; Plattner, R. D.; Garner, G. B. (1985). "Detection of ergopeptine alkaloids in endophyte-infected, toxic Ky-31 tall fescue by mass spectrometry/mass spectrometry". Journal of Agricultural and Food Chemistry 33 (4): 719. doi:10.1021/jf00064a038.  edit