dihydroergocristine dihydroergocristine dihydroergocristine is an ergot alkaloid. alongside dihydroergocornine and dihydroergocryptine, it is one of the components of ergoloid mesylates. dihydroergocristine names iupac name (10αh)-5′α-benzyl-12′-hydroxy-2′-(propan-2-yl)-9,10-dihydroergotaman-3′,6′,18-trione systematic iupac name (6ar,9r,10ar)-n-oxazolopyrrolopyrazin-2-yl]-7-methyl-4,6,6a,7,8,9,10,10a-octahydroindoloquinoline-9-carboxamide identifiers cas number 17479-19-5 3d model (jsmol) interactive image chemspider 96884 drugbank db13345 echa infocard 100.037.706 iuphar/bps 278 pubchem cid 3065 unii 05d48lum4z comptox dashboard (epa) dtxsid3046322 inchi inchi=1/c35h41n5o5/c1-20(2)34(37-31(41)23-16-25-24-11-7-12-26-30( 24)22(18-36-26)17-27(25)38(3)19-23)33(43)40-28(15-21-9-5-4-6-10-2 1)32(42)39-14-8-13-29(39)35(40,44)45-34/h4-7,9-12,18,20,23,25,27- 29,36,44h,8,13-17,19h2,1-3h3,(h,37,41)/t23-,25-,27-,28+,29+,34-,3 5+/m1/s1 smiles o=c3n1ccc12(o)o(c(=o)n23cc4ccccc4)(nc(=o)7c8c5cccc6c5c(c6)c8n(c)c7)c(c)c properties chemical formula c35h41n5o5 molar mass 611.73 g/mol pharmacology atc code c04ae04 (who) except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). infobox references